restructure repo, separate sample app from docker configs

05-example-web-application/Makefile

@@ -0,0 +1,31 @@
+.PHONY: run-postgres
+run-postgres:
+	@echo Starting postgres container
+	-docker run \
+		-e POSTGRES_PASSWORD=foobarbaz \
+		-p 5432:5432 \
+		postgres:15.1-alpine
+
+.PHONY: run-api-node
+run-api-node:
+	@echo Starting node api
+	cd api-node && \
+		PGUSER=postgres \
+    PGHOST=localhost \
+    PGPASSWORD=foobarbaz \
+    PGDATABASE=postgres \
+    PGPORT=5432 \
+		npm run dev
+
+.PHONY: run-api-golang
+run-api-golang:
+	@echo Starting golang api
+	cd api-golang && \
+		DATABASE_URL=postgres://postgres:foobarbaz@localhost:5432/postgres \
+		go run main.go
+
+.PHONY: run-client-react
+run-client-react:
+	@echo Starting react client
+	cd client-react && \
+		npm run dev

05-example-web-application/README.md

@@ -0,0 +1,16 @@
+Docker Desktop: https://docs.docker.com/get-docker/
+
+Docker Engine: https://get.docker.com/ 
+
+Hello World:
+```
+docker run docker/whalesay cowsay "Hey Team! 👋"
+```
+
+Run Postgres:
+```
+docker run \
+  --env POSTGRES_PASSWORD=foobarbaz \
+  --publish 5432:5432 \
+  postgres:15.1-alpine
+```

05-example-web-application/api-golang/nohup.out

@@ -0,0 +1,94 @@
+2023/01/27 08:34:41 DATABASE CONNECTED 🥇
+[GIN-debug] [WARNING] Creating an Engine instance with the Logger and Recovery middleware already attached.
+
+[GIN-debug] [WARNING] Running in "debug" mode. Switch to "release" mode in production.
+ - using env:	export GIN_MODE=release
+ - using code:	gin.SetMode(gin.ReleaseMode)
+
+[GIN-debug] GET    /                         --> main.main.func1 (3 handlers)
+[GIN-debug] [WARNING] You trusted all proxies, this is NOT safe. We recommend you to set a value.
+Please check https://pkg.go.dev/github.com/gin-gonic/gin#readme-don-t-trust-all-proxies for details.
+[GIN-debug] Environment variable PORT is undefined. Using port :8080 by default
+[GIN-debug] Listening and serving HTTP on :8080
+QueryRow failed: failed to connect to `host=db user=postgres database=postgres`: hostname resolving error (lookup db: no such host)
+exit status 1
+2023/01/27 08:36:16 DATABASE CONNECTED 🥇
+[GIN-debug] [WARNING] Creating an Engine instance with the Logger and Recovery middleware already attached.
+
+[GIN-debug] [WARNING] Running in "debug" mode. Switch to "release" mode in production.
+ - using env:	export GIN_MODE=release
+ - using code:	gin.SetMode(gin.ReleaseMode)
+
+[GIN-debug] GET    /                         --> main.main.func1 (3 handlers)
+[GIN-debug] [WARNING] You trusted all proxies, this is NOT safe. We recommend you to set a value.
+Please check https://pkg.go.dev/github.com/gin-gonic/gin#readme-don-t-trust-all-proxies for details.
+[GIN-debug] Environment variable PORT is undefined. Using port :8080 by default
+[GIN-debug] Listening and serving HTTP on :8080
+[GIN] 2023/01/27 - 08:36:20 | 200 |   76.361836ms |             ::1 | GET      "/"
+[GIN] 2023/01/27 - 08:36:20 | 404 |         551ns |             ::1 | GET      "/favicon.ico"
+[GIN] 2023/01/27 - 08:36:20 | 200 |    2.305566ms |             ::1 | GET      "/"
+[GIN] 2023/01/27 - 08:36:21 | 404 |         584ns |             ::1 | GET      "/favicon.ico"
+[GIN] 2023/01/27 - 08:36:21 | 200 |    2.258435ms |             ::1 | GET      "/"
+[GIN] 2023/01/27 - 08:36:21 | 404 |         494ns |             ::1 | GET      "/favicon.ico"
+[GIN] 2023/01/27 - 08:36:21 | 200 |    1.808336ms |             ::1 | GET      "/"
+[GIN] 2023/01/27 - 08:36:21 | 404 |         530ns |             ::1 | GET      "/favicon.ico"
+[GIN] 2023/01/27 - 08:36:21 | 200 |    1.571416ms |             ::1 | GET      "/"
+[GIN] 2023/01/27 - 08:36:21 | 404 |         599ns |             ::1 | GET      "/favicon.ico"
+[GIN] 2023/01/27 - 08:36:21 | 200 |    1.787527ms |             ::1 | GET      "/"
+[GIN] 2023/01/27 - 08:36:21 | 404 |         657ns |             ::1 | GET      "/favicon.ico"
+2023/01/27 08:36:24 DATABASE CONNECTED 🥇
+[GIN-debug] [WARNING] Creating an Engine instance with the Logger and Recovery middleware already attached.
+
+[GIN-debug] [WARNING] Running in "debug" mode. Switch to "release" mode in production.
+ - using env:	export GIN_MODE=release
+ - using code:	gin.SetMode(gin.ReleaseMode)
+
+[GIN-debug] GET    /                         --> main.main.func1 (3 handlers)
+[GIN-debug] [WARNING] You trusted all proxies, this is NOT safe. We recommend you to set a value.
+Please check https://pkg.go.dev/github.com/gin-gonic/gin#readme-don-t-trust-all-proxies for details.
+[GIN-debug] Environment variable PORT is undefined. Using port :8080 by default
+[GIN-debug] Listening and serving HTTP on :8080
+[GIN-debug] [ERROR] listen tcp :8080: bind: address already in use
+[GIN] 2023/01/27 - 08:36:28 | 200 |    1.946844ms |             ::1 | GET      "/"
+[GIN] 2023/01/27 - 08:36:28 | 404 |         828ns |             ::1 | GET      "/favicon.ico"
+[GIN] 2023/01/27 - 08:36:28 | 200 |     1.60934ms |             ::1 | GET      "/"
+[GIN] 2023/01/27 - 08:36:28 | 404 |         537ns |             ::1 | GET      "/favicon.ico"
+[GIN] 2023/01/27 - 08:36:29 | 200 |     1.96418ms |             ::1 | GET      "/"
+[GIN] 2023/01/27 - 08:36:29 | 404 |         519ns |             ::1 | GET      "/favicon.ico"
+[GIN] 2023/01/27 - 08:36:29 | 200 |    1.956822ms |             ::1 | GET      "/"
+[GIN] 2023/01/27 - 08:36:29 | 404 |         554ns |             ::1 | GET      "/favicon.ico"
+2023/01/27 08:39:10 DATABASE CONNECTED 🥇
+[GIN-debug] [WARNING] Creating an Engine instance with the Logger and Recovery middleware already attached.
+
+[GIN-debug] [WARNING] Running in "debug" mode. Switch to "release" mode in production.
+ - using env:	export GIN_MODE=release
+ - using code:	gin.SetMode(gin.ReleaseMode)
+
+[GIN-debug] GET    /                         --> main.main.func1 (3 handlers)
+[GIN-debug] [WARNING] You trusted all proxies, this is NOT safe. We recommend you to set a value.
+Please check https://pkg.go.dev/github.com/gin-gonic/gin#readme-don-t-trust-all-proxies for details.
+[GIN-debug] Environment variable PORT is undefined. Using port :8080 by default
+[GIN-debug] Listening and serving HTTP on :8080
+[GIN-debug] [ERROR] listen tcp :8080: bind: address already in use
+2023/01/27 08:39:21 DATABASE CONNECTED 🥇
+[GIN-debug] [WARNING] Creating an Engine instance with the Logger and Recovery middleware already attached.
+
+[GIN-debug] [WARNING] Running in "debug" mode. Switch to "release" mode in production.
+ - using env:	export GIN_MODE=release
+ - using code:	gin.SetMode(gin.ReleaseMode)
+
+[GIN-debug] GET    /                         --> main.main.func1 (3 handlers)
+[GIN-debug] [WARNING] You trusted all proxies, this is NOT safe. We recommend you to set a value.
+Please check https://pkg.go.dev/github.com/gin-gonic/gin#readme-don-t-trust-all-proxies for details.
+[GIN-debug] Environment variable PORT is undefined. Using port :8080 by default
+[GIN-debug] Listening and serving HTTP on :8080
+[GIN-debug] [ERROR] listen tcp :8080: bind: address already in use
+[GIN] 2023/01/27 - 08:39:29 | 200 |    2.692438ms |             ::1 | GET      "/"
+[GIN] 2023/01/27 - 08:39:30 | 200 |    2.633877ms |             ::1 | GET      "/"
+[GIN] 2023/01/27 - 08:39:31 | 200 |    2.567795ms |             ::1 | GET      "/"
+[GIN] 2023/01/27 - 08:39:31 | 200 |    3.106938ms |             ::1 | GET      "/"
+[GIN] 2023/01/27 - 08:39:32 | 200 |    3.875721ms |             ::1 | GET      "/"
+[GIN] 2023/01/27 - 08:39:32 | 200 |    2.054595ms |             ::1 | GET      "/"
+[GIN] 2023/01/27 - 08:39:32 | 200 |    3.713489ms |             ::1 | GET      "/"
+[GIN] 2023/01/27 - 08:39:32 | 200 |    1.914952ms |             ::1 | GET      "/"
+signal: terminated

05-example-web-application/api-node/package-lock.json

@@ -10,9 +10,19 @@
       "license": "ISC",
       "dependencies": {
         "express": "^4.18.2",
+        "morgan": "^1.10.0",
         "pg": "^8.8.0"
+      },
+      "devDependencies": {
+        "nodemon": "^2.0.20"
       }
     },
+    "node_modules/abbrev": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/abbrev/-/abbrev-1.1.1.tgz",
+      "integrity": "sha512-nne9/IiQ/hzIhY6pdDnbBtz7DjPTKrY00P/zvPSm5pOFkl6xuGrGnXn/VtTNNfNtAfZ9/1RtehkszU9qcTii0Q==",
+      "dev": true
+    },
     "node_modules/accepts": {
       "version": "1.3.8",
       "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.8.tgz",
@@ -25,11 +35,55 @@
         "node": ">= 0.6"
       }
     },
+    "node_modules/anymatch": {
+      "version": "3.1.3",
+      "resolved": "https://registry.npmjs.org/anymatch/-/anymatch-3.1.3.tgz",
+      "integrity": "sha512-KMReFUr0B4t+D+OBkjR3KYqvocp2XaSzO55UcB6mgQMd3KbcE+mWTyvVV7D/zsdEbNnV6acZUutkiHQXvTr1Rw==",
+      "dev": true,
+      "dependencies": {
+        "normalize-path": "^3.0.0",
+        "picomatch": "^2.0.4"
+      },
+      "engines": {
+        "node": ">= 8"
+      }
+    },
     "node_modules/array-flatten": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
       "integrity": "sha512-PCVAQswWemu6UdxsDFFX/+gVeYqKAod3D3UVm91jHwynguOwAvYPhx8nNlM++NqRcK6CxxpUafjmhIdKiHibqg=="
     },
+    "node_modules/balanced-match": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.2.tgz",
+      "integrity": "sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw==",
+      "dev": true
+    },
+    "node_modules/basic-auth": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/basic-auth/-/basic-auth-2.0.1.tgz",
+      "integrity": "sha512-NF+epuEdnUYVlGuhaxbbq+dvJttwLnGY+YixlXlME5KpQ5W3CnXA5cVTneY3SPbPDRkcjMbifrwmFYcClgOZeg==",
+      "dependencies": {
+        "safe-buffer": "5.1.2"
+      },
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
+    "node_modules/basic-auth/node_modules/safe-buffer": {
+      "version": "5.1.2",
+      "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
+      "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
+    },
+    "node_modules/binary-extensions": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/binary-extensions/-/binary-extensions-2.2.0.tgz",
+      "integrity": "sha512-jDctJ/IVQbZoJykoeHbhXpOlNBqGNcwXJKJog42E5HDPUwQTSdjCHdihjj0DlnheQ7blbT6dHOafNAiS8ooQKA==",
+      "dev": true,
+      "engines": {
+        "node": ">=8"
+      }
+    },
     "node_modules/body-parser": {
       "version": "1.20.1",
       "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.20.1.tgz",
@@ -53,6 +107,28 @@
         "npm": "1.2.8000 || >= 1.4.16"
       }
     },
+    "node_modules/brace-expansion": {
+      "version": "1.1.11",
+      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
+      "integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==",
+      "dev": true,
+      "dependencies": {
+        "balanced-match": "^1.0.0",
+        "concat-map": "0.0.1"
+      }
+    },
+    "node_modules/braces": {
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/braces/-/braces-3.0.2.tgz",
+      "integrity": "sha512-b8um+L1RzM3WDSzvhm6gIz1yfTbBt6YTlcEKAvsmqCZZFw46z626lVj9j1yEPW33H5H+lBQpZMP1k8l+78Ha0A==",
+      "dev": true,
+      "dependencies": {
+        "fill-range": "^7.0.1"
+      },
+      "engines": {
+        "node": ">=8"
+      }
+    },
     "node_modules/buffer-writer": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/buffer-writer/-/buffer-writer-2.0.0.tgz",
@@ -81,6 +157,39 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/chokidar": {
+      "version": "3.5.3",
+      "resolved": "https://registry.npmjs.org/chokidar/-/chokidar-3.5.3.tgz",
+      "integrity": "sha512-Dr3sfKRP6oTcjf2JmUmFJfeVMvXBdegxB0iVQ5eb2V10uFJUCAS8OByZdVAyVb8xXNz3GjjTgj9kLWsZTqE6kw==",
+      "dev": true,
+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://paulmillr.com/funding/"
+        }
+      ],
+      "dependencies": {
+        "anymatch": "~3.1.2",
+        "braces": "~3.0.2",
+        "glob-parent": "~5.1.2",
+        "is-binary-path": "~2.1.0",
+        "is-glob": "~4.0.1",
+        "normalize-path": "~3.0.0",
+        "readdirp": "~3.6.0"
+      },
+      "engines": {
+        "node": ">= 8.10.0"
+      },
+      "optionalDependencies": {
+        "fsevents": "~2.3.2"
+      }
+    },
+    "node_modules/concat-map": {
+      "version": "0.0.1",
+      "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
+      "integrity": "sha512-/Srv4dswyQNBfohGpz9o6Yb3Gz3SrUDqBH5rTuhGR7ahtlbYKnVxw2bCFMRljaA7EXHaXZ8wsHdodFvbkhKmqg==",
+      "dev": true
+    },
     "node_modules/content-disposition": {
       "version": "0.5.4",
       "resolved": "https://registry.npmjs.org/content-disposition/-/content-disposition-0.5.4.tgz",
@@ -205,6 +314,18 @@
         "node": ">= 0.10.0"
       }
     },
+    "node_modules/fill-range": {
+      "version": "7.0.1",
+      "resolved": "https://registry.npmjs.org/fill-range/-/fill-range-7.0.1.tgz",
+      "integrity": "sha512-qOo9F+dMUmC2Lcb4BbVvnKJxTPjCm+RRpe4gDuGrzkL7mEVl/djYSu2OdQ2Pa302N4oqkSg9ir6jaLWJ2USVpQ==",
+      "dev": true,
+      "dependencies": {
+        "to-regex-range": "^5.0.1"
+      },
+      "engines": {
+        "node": ">=8"
+      }
+    },
     "node_modules/finalhandler": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/finalhandler/-/finalhandler-1.2.0.tgz",
@@ -238,6 +359,20 @@
         "node": ">= 0.6"
       }
     },
+    "node_modules/fsevents": {
+      "version": "2.3.2",
+      "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-2.3.2.tgz",
+      "integrity": "sha512-xiqMQR4xAeHTuB9uWm+fFRcIOgKBMiOBP+eXiyT7jsgVCq1bkVygt00oASowB7EdtpOHaaPgKt812P9ab+DDKA==",
+      "dev": true,
+      "hasInstallScript": true,
+      "optional": true,
+      "os": [
+        "darwin"
+      ],
+      "engines": {
+        "node": "^8.16.0 || ^10.6.0 || >=11.0.0"
+      }
+    },
     "node_modules/function-bind": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/function-bind/-/function-bind-1.1.1.tgz",
@@ -256,6 +391,18 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/glob-parent": {
+      "version": "5.1.2",
+      "resolved": "https://registry.npmjs.org/glob-parent/-/glob-parent-5.1.2.tgz",
+      "integrity": "sha512-AOIgSQCepiJYwP3ARnGx+5VnTu2HBYdzbGP45eLw1vr3zB3vZLeyed1sC9hnbcOc9/SrMyM5RPQrkGz4aS9Zow==",
+      "dev": true,
+      "dependencies": {
+        "is-glob": "^4.0.1"
+      },
+      "engines": {
+        "node": ">= 6"
+      }
+    },
     "node_modules/has": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/has/-/has-1.0.3.tgz",
@@ -267,6 +414,15 @@
         "node": ">= 0.4.0"
       }
     },
+    "node_modules/has-flag": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-3.0.0.tgz",
+      "integrity": "sha512-sKJf1+ceQBr4SMkvQnBDNDtf4TXpVhVGateu0t918bl30FnbE2m4vNLX+VWe/dpjlb+HugGYzW7uQXH98HPEYw==",
+      "dev": true,
+      "engines": {
+        "node": ">=4"
+      }
+    },
     "node_modules/has-symbols": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/has-symbols/-/has-symbols-1.0.3.tgz",
@@ -304,6 +460,12 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/ignore-by-default": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/ignore-by-default/-/ignore-by-default-1.0.1.tgz",
+      "integrity": "sha512-Ius2VYcGNk7T90CppJqcIkS5ooHUZyIQK+ClZfMfMNFEF9VSE73Fq+906u/CWu92x4gzZMWOwfFYckPObzdEbA==",
+      "dev": true
+    },
     "node_modules/inherits": {
       "version": "2.0.4",
       "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
@@ -317,6 +479,48 @@
         "node": ">= 0.10"
       }
     },
+    "node_modules/is-binary-path": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/is-binary-path/-/is-binary-path-2.1.0.tgz",
+      "integrity": "sha512-ZMERYes6pDydyuGidse7OsHxtbI7WVeUEozgR/g7rd0xUimYNlvZRE/K2MgZTjWy725IfelLeVcEM97mmtRGXw==",
+      "dev": true,
+      "dependencies": {
+        "binary-extensions": "^2.0.0"
+      },
+      "engines": {
+        "node": ">=8"
+      }
+    },
+    "node_modules/is-extglob": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/is-extglob/-/is-extglob-2.1.1.tgz",
+      "integrity": "sha512-SbKbANkN603Vi4jEZv49LeVJMn4yGwsbzZworEoyEiutsN3nJYdbO36zfhGJ6QEDpOZIFkDtnq5JRxmvl3jsoQ==",
+      "dev": true,
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
+    "node_modules/is-glob": {
+      "version": "4.0.3",
+      "resolved": "https://registry.npmjs.org/is-glob/-/is-glob-4.0.3.tgz",
+      "integrity": "sha512-xelSayHH36ZgE7ZWhli7pW34hNbNl8Ojv5KVmkJD4hBdD3th8Tfk9vYasLM+mXWOZhFkgZfxhLSnrwRr4elSSg==",
+      "dev": true,
+      "dependencies": {
+        "is-extglob": "^2.1.1"
+      },
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
+    "node_modules/is-number": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/is-number/-/is-number-7.0.0.tgz",
+      "integrity": "sha512-41Cifkg6e8TylSpdtTpeLVMqvSBEVzTttHvERD741+pnZ8ANv0004MRL43QKPDlK9cGvNp6NZWZUBlbGXYxxng==",
+      "dev": true,
+      "engines": {
+        "node": ">=0.12.0"
+      }
+    },
     "node_modules/media-typer": {
       "version": "0.3.0",
       "resolved": "https://registry.npmjs.org/media-typer/-/media-typer-0.3.0.tgz",
@@ -368,6 +572,44 @@
         "node": ">= 0.6"
       }
     },
+    "node_modules/minimatch": {
+      "version": "3.1.2",
+      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.1.2.tgz",
+      "integrity": "sha512-J7p63hRiAjw1NDEww1W7i37+ByIrOWO5XQQAzZ3VOcL0PNybwpfmV/N05zFAzwQ9USyEcX6t3UO+K5aqBQOIHw==",
+      "dev": true,
+      "dependencies": {
+        "brace-expansion": "^1.1.7"
+      },
+      "engines": {
+        "node": "*"
+      }
+    },
+    "node_modules/morgan": {
+      "version": "1.10.0",
+      "resolved": "https://registry.npmjs.org/morgan/-/morgan-1.10.0.tgz",
+      "integrity": "sha512-AbegBVI4sh6El+1gNwvD5YIck7nSA36weD7xvIxG4in80j/UoK8AEGaWnnz8v1GxonMCltmlNs5ZKbGvl9b1XQ==",
+      "dependencies": {
+        "basic-auth": "~2.0.1",
+        "debug": "2.6.9",
+        "depd": "~2.0.0",
+        "on-finished": "~2.3.0",
+        "on-headers": "~1.0.2"
+      },
+      "engines": {
+        "node": ">= 0.8.0"
+      }
+    },
+    "node_modules/morgan/node_modules/on-finished": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/on-finished/-/on-finished-2.3.0.tgz",
+      "integrity": "sha512-ikqdkGAAyf/X/gPhXGvfgAytDZtDbr+bkNUJ0N9h5MI/dmdgCs3l6hoHrcUv41sRKew3jIwrp4qQDXiK99Utww==",
+      "dependencies": {
+        "ee-first": "1.1.1"
+      },
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
     "node_modules/ms": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
@@ -381,6 +623,73 @@
         "node": ">= 0.6"
       }
     },
+    "node_modules/nodemon": {
+      "version": "2.0.20",
+      "resolved": "https://registry.npmjs.org/nodemon/-/nodemon-2.0.20.tgz",
+      "integrity": "sha512-Km2mWHKKY5GzRg6i1j5OxOHQtuvVsgskLfigG25yTtbyfRGn/GNvIbRyOf1PSCKJ2aT/58TiuUsuOU5UToVViw==",
+      "dev": true,
+      "dependencies": {
+        "chokidar": "^3.5.2",
+        "debug": "^3.2.7",
+        "ignore-by-default": "^1.0.1",
+        "minimatch": "^3.1.2",
+        "pstree.remy": "^1.1.8",
+        "semver": "^5.7.1",
+        "simple-update-notifier": "^1.0.7",
+        "supports-color": "^5.5.0",
+        "touch": "^3.1.0",
+        "undefsafe": "^2.0.5"
+      },
+      "bin": {
+        "nodemon": "bin/nodemon.js"
+      },
+      "engines": {
+        "node": ">=8.10.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/nodemon"
+      }
+    },
+    "node_modules/nodemon/node_modules/debug": {
+      "version": "3.2.7",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-3.2.7.tgz",
+      "integrity": "sha512-CFjzYYAi4ThfiQvizrFQevTTXHtnCqWfe7x1AhgEscTz6ZbLbfoLRLPugTQyBth6f8ZERVUSyWHFD/7Wu4t1XQ==",
+      "dev": true,
+      "dependencies": {
+        "ms": "^2.1.1"
+      }
+    },
+    "node_modules/nodemon/node_modules/ms": {
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
+      "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA==",
+      "dev": true
+    },
+    "node_modules/nopt": {
+      "version": "1.0.10",
+      "resolved": "https://registry.npmjs.org/nopt/-/nopt-1.0.10.tgz",
+      "integrity": "sha512-NWmpvLSqUrgrAC9HCuxEvb+PSloHpqVu+FqcO4eeF2h5qYRhA7ev6KvelyQAKtegUbC6RypJnlEOhd8vloNKYg==",
+      "dev": true,
+      "dependencies": {
+        "abbrev": "1"
+      },
+      "bin": {
+        "nopt": "bin/nopt.js"
+      },
+      "engines": {
+        "node": "*"
+      }
+    },
+    "node_modules/normalize-path": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/normalize-path/-/normalize-path-3.0.0.tgz",
+      "integrity": "sha512-6eZs5Ls3WtCisHWp9S2GUy8dqkpGi4BVSz3GaqiE6ezub0512ESztXUwUB6C6IKbQkY2Pnb/mD4WYojCRwcwLA==",
+      "dev": true,
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
     "node_modules/object-inspect": {
       "version": "1.12.3",
       "resolved": "https://registry.npmjs.org/object-inspect/-/object-inspect-1.12.3.tgz",
@@ -400,6 +709,14 @@
         "node": ">= 0.8"
       }
     },
+    "node_modules/on-headers": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/on-headers/-/on-headers-1.0.2.tgz",
+      "integrity": "sha512-pZAE+FJLoyITytdqK0U5s+FIpjN0JP3OzFi/u8Rx+EV5/W+JTWGXG8xFzevE7AjBfDqHv/8vL8qQsIhHnqRkrA==",
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
     "node_modules/packet-reader": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/packet-reader/-/packet-reader-1.0.0.tgz",
@@ -492,6 +809,18 @@
         "split2": "^4.1.0"
       }
     },
+    "node_modules/picomatch": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.1.tgz",
+      "integrity": "sha512-JU3teHTNjmE2VCGFzuY8EXzCDVwEqB2a8fsIvwaStHhAWJEeVd1o1QD80CU6+ZdEXXSLbSsuLwJjkCBWqRQUVA==",
+      "dev": true,
+      "engines": {
+        "node": ">=8.6"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/jonschlinkert"
+      }
+    },
     "node_modules/postgres-array": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/postgres-array/-/postgres-array-2.0.0.tgz",
@@ -539,6 +868,12 @@
         "node": ">= 0.10"
       }
     },
+    "node_modules/pstree.remy": {
+      "version": "1.1.8",
+      "resolved": "https://registry.npmjs.org/pstree.remy/-/pstree.remy-1.1.8.tgz",
+      "integrity": "sha512-77DZwxQmxKnu3aR542U+X8FypNzbfJ+C5XQDk3uWjWxn6151aIMGthWYRXTqT1E5oJvg+ljaa2OJi+VfvCOQ8w==",
+      "dev": true
+    },
     "node_modules/qs": {
       "version": "6.11.0",
       "resolved": "https://registry.npmjs.org/qs/-/qs-6.11.0.tgz",
@@ -575,6 +910,18 @@
         "node": ">= 0.8"
       }
     },
+    "node_modules/readdirp": {
+      "version": "3.6.0",
+      "resolved": "https://registry.npmjs.org/readdirp/-/readdirp-3.6.0.tgz",
+      "integrity": "sha512-hOS089on8RduqdbhvQ5Z37A0ESjsqz6qnRcffsMU3495FuTdqSm+7bhJ29JvIOsBDEEnan5DPu9t3To9VRlMzA==",
+      "dev": true,
+      "dependencies": {
+        "picomatch": "^2.2.1"
+      },
+      "engines": {
+        "node": ">=8.10.0"
+      }
+    },
     "node_modules/safe-buffer": {
       "version": "5.2.1",
       "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
@@ -599,6 +946,15 @@
       "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
       "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg=="
     },
+    "node_modules/semver": {
+      "version": "5.7.1",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
+      "integrity": "sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ==",
+      "dev": true,
+      "bin": {
+        "semver": "bin/semver"
+      }
+    },
     "node_modules/send": {
       "version": "0.18.0",
       "resolved": "https://registry.npmjs.org/send/-/send-0.18.0.tgz",
@@ -659,6 +1015,27 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/simple-update-notifier": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/simple-update-notifier/-/simple-update-notifier-1.1.0.tgz",
+      "integrity": "sha512-VpsrsJSUcJEseSbMHkrsrAVSdvVS5I96Qo1QAQ4FxQ9wXFcB+pjj7FB7/us9+GcgfW4ziHtYMc1J0PLczb55mg==",
+      "dev": true,
+      "dependencies": {
+        "semver": "~7.0.0"
+      },
+      "engines": {
+        "node": ">=8.10.0"
+      }
+    },
+    "node_modules/simple-update-notifier/node_modules/semver": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-7.0.0.tgz",
+      "integrity": "sha512-+GB6zVA9LWh6zovYQLALHwv5rb2PHGlJi3lfiqIHxR0uuwCgefcOJc59v9fv1w8GbStwxuuqqAjI9NMAOOgq1A==",
+      "dev": true,
+      "bin": {
+        "semver": "bin/semver.js"
+      }
+    },
     "node_modules/split2": {
       "version": "4.1.0",
       "resolved": "https://registry.npmjs.org/split2/-/split2-4.1.0.tgz",
@@ -675,6 +1052,30 @@
         "node": ">= 0.8"
       }
     },
+    "node_modules/supports-color": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
+      "integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==",
+      "dev": true,
+      "dependencies": {
+        "has-flag": "^3.0.0"
+      },
+      "engines": {
+        "node": ">=4"
+      }
+    },
+    "node_modules/to-regex-range": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-5.0.1.tgz",
+      "integrity": "sha512-65P7iz6X5yEr1cwcgvQxbbIw7Uk3gOy5dIdtZ4rDveLqhrdJP+Li/Hx6tyK0NEb+2GCyneCMJiGqrADCSNk8sQ==",
+      "dev": true,
+      "dependencies": {
+        "is-number": "^7.0.0"
+      },
+      "engines": {
+        "node": ">=8.0"
+      }
+    },
     "node_modules/toidentifier": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.1.tgz",
@@ -683,6 +1084,18 @@
         "node": ">=0.6"
       }
     },
+    "node_modules/touch": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/touch/-/touch-3.1.0.tgz",
+      "integrity": "sha512-WBx8Uy5TLtOSRtIq+M03/sKDrXCLHxwDcquSP2c43Le03/9serjQBIztjRz6FkJez9D/hleyAXTBGLwwZUw9lA==",
+      "dev": true,
+      "dependencies": {
+        "nopt": "~1.0.10"
+      },
+      "bin": {
+        "nodetouch": "bin/nodetouch.js"
+      }
+    },
     "node_modules/type-is": {
       "version": "1.6.18",
       "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.18.tgz",
@@ -695,6 +1108,12 @@
         "node": ">= 0.6"
       }
     },
+    "node_modules/undefsafe": {
+      "version": "2.0.5",
+      "resolved": "https://registry.npmjs.org/undefsafe/-/undefsafe-2.0.5.tgz",
+      "integrity": "sha512-WxONCrssBM8TSPRqN5EmsjVrsv4A8X12J4ArBiiayv3DyyG3ZlIg6yysuuSYdZsVz3TKcTg2fd//Ujd4CHV1iA==",
+      "dev": true
+    },
     "node_modules/unpipe": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",

05-example-web-application/api-node/package.json

@@ -4,12 +4,17 @@
   "description": "simple api that connects to postgres",
   "main": "src/index.js",
   "scripts": {
+    "dev": "nodemon src/index.js",
     "test": "echo \"Error: no test specified\" && exit 1"
   },
   "author": "",
   "license": "ISC",
   "dependencies": {
     "express": "^4.18.2",
+    "morgan": "^1.10.0",
     "pg": "^8.8.0"
+  },
+  "devDependencies": {
+    "nodemon": "^2.0.20"
   }
 }

05-example-web-application/api-node/src/index.js

@@ -1,10 +1,14 @@
 const { getDateTime } = require('./db');
 
 const express = require('express');
+const morgan = require('morgan');
 
 const app = express();
 const port = 3000;
 
+// setup the logger
+app.use(morgan('tiny'));
+
 app.get('/', async (req, res) => {
   const dateTime = await getDateTime();
   const response = dateTime;

05-example-web-application/client-react/vite.config.js

@@ -0,0 +1,26 @@
+import { defineConfig } from 'vite';
+import react from '@vitejs/plugin-react-swc';
+import dns from 'dns';
+
+dns.setDefaultResultOrder('verbatim');
+
+// https://vitejs.dev/config/
+export default defineConfig({
+  plugins: [react()],
+  server: {
+    proxy: {
+      '/api/golang': {
+        target: 'http://localhost:8080',
+        changeOrigin: true,
+        rewrite: (path) => path.replace(/^\/api\/golang/, ''),
+        secure: false,
+      },
+      '/api/node': {
+        target: 'http://localhost:3000',
+        changeOrigin: true,
+        rewrite: (path) => path.replace(/^\/api\/node/, ''),
+        secure: false,
+      },
+    },
+  },
+});

06-building-container-images/Makefile

@@ -10,10 +10,6 @@ compose-up:
 compose-up-build:
 	docker compose up --build
 
-.PHONY: compose-up-db
-compose-up-db:
-	docker compose up -d db
-
 .PHONY: compose-down
 compose-down:
 	docker compose down

06-building-container-images/api-golang/Makefile

@@ -0,0 +1,12 @@
+API_GOLANG_PATH:=../../05-example-web-application/api-golang/
+
+N?=0
+.PHONY: build-N
+build-N:
+	docker build --file ./Dockerfile.$(N) -t api-golang:$(N) ${API_GOLANG_PATH}
+
+.PHONY: build-all
+build-all:
+	for number in 0 1 2 3 4 5 6 ; do \
+			N=$$number $(MAKE) build-N; \
+	done

06-building-container-images/api-node/Makefile

@@ -0,0 +1,12 @@
+API_NODE_PATH:=../../05-example-web-application/api-node/
+
+N?=0
+.PHONY: build-N
+build-N:
+	docker build --file ./Dockerfile.$(N) -t api-node:$(N) ${API_NODE_PATH}
+
+.PHONY: build-all
+build-all:
+	for number in 0 1 2 3 4 5 6 7 ; do \
+			N=$$number $(MAKE) build-N; \
+	done

06-building-container-images/client-react/Dockerfile.3

@@ -22,3 +22,7 @@ FROM nginx:1.23-alpine
 COPY nginx.conf /etc/nginx/conf.d/default.conf
 
 COPY --from=build usr/src/app/dist/ /usr/share/nginx/html
+
+EXPOSE 80
+
+# No CMD specified... will uses CMD/ENTRYPOINT from base image (nginx:1.23-alpine)

06-building-container-images/client-react/Makefile

@@ -0,0 +1,12 @@
+API_NODE_PATH:=../../05-example-web-application/api-node/
+
+N?=0
+.PHONY: build-N
+build-N:
+	docker build --file ./Dockerfile.$(N) -t api-node:$(N) ${API_NODE_PATH}
+
+.PHONY: build-all
+build-all:
+	for number in 0 1 2 3 ; do \
+			N=$$number $(MAKE) build-N; \
+	done

06-building-container-images/docker-compose.yml

@@ -1,21 +1,23 @@
 services:
   client-react:
     build:
-      context: ./client-react
-      dockerfile: Dockerfile
+      context: ../05-example-web-application/client-react/
+      dockerfile: ../../06-building-container-images/client-react/Dockerfile
     ports:
       - 5173:5173
+    volumes:
+    - ${PWD}/client-react/vite.config.js:/usr/src/app/vite.config.js
   client-react-nginx:
     build:
-      context: ./client-react
-      dockerfile: Dockerfile.3
+      context: ../05-example-web-application/client-react/
+      dockerfile: ../../06-building-container-images/client-react/Dockerfile.3
     init: true
     ports:
       - 5174:80
   api-node:
     build:
-      context: ./api-node
-      dockerfile: Dockerfile.7
+      context: ../05-example-web-application/api-node/
+      dockerfile: ../../06-building-container-images/api-node/Dockerfile.7
     init: true
     depends_on:
       - db
@@ -29,8 +31,8 @@ services:
       - 3000:3000
   api-golang:
     build:
-      context: ./api-golang
-      dockerfile: Dockerfile.6
+      context: ../05-example-web-application/api-golang/
+      dockerfile: ../../06-building-container-images/api-golang/Dockerfile.6
     init: true
     depends_on:
       - db