Adding postgres example

.github/workflows/postgres-service.yml

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+on: [push]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    container:
+      image:  node:10.16-jessie
+      
+    services:
+      postgres:
+        image: postgres:10.8
+        env:
+          POSTGRES_USER: postgres
+          POSTGRES_PASSWORD: postgres
+          POSTGRES_DB: postgres
+        ports:
+        - 5432:5432
+        options: --health-cmd pg_isready --health-interval 10s --health-timeout 5s --health-retries 5
+
+      redis:
+        image: redis
+        ports:
+        - 6379:6379
+
+    steps:
+    - uses: actions/checkout@mv1       
+    - run: node client.js
+      working-directory: ./postgres/

.gitignore

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+# File created using '.gitignore Generator' for Visual Studio Code: https://bit.ly/vscode-gig
+
+# Created by https://www.gitignore.io/api/macos,visualstudiocode,node
+# Edit at https://www.gitignore.io/?templates=macos,visualstudiocode,node
+
+### macOS ###
+# General
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# Icon must end with two \r
+Icon
+
+# Thumbnails
+._*
+
+# Files that might appear in the root of a volume
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
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+.VolumeIcon.icns
+.com.apple.timemachine.donotpresent
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
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+.apdisk
+
+### Node ###
+# Logs
+logs
+*.log
+npm-debug.log*
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+lerna-debug.log*
+
+# Diagnostic reports (https://nodejs.org/api/report.html)
+report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+*.lcov
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# TypeScript v1 declaration files
+typings/
+
+# TypeScript cache
+*.tsbuildinfo
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variables file
+.env
+.env.test
+
+# parcel-bundler cache (https://parceljs.org/)
+.cache
+
+# next.js build output
+.next
+
+# nuxt.js build output
+.nuxt
+
+# vuepress build output
+.vuepress/dist
+
+# Serverless directories
+.serverless/
+
+# FuseBox cache
+.fusebox/
+
+# DynamoDB Local files
+.dynamodb/
+
+### VisualStudioCode ###
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
+
+### VisualStudioCode Patch ###
+# Ignore all local history of files
+.history
+
+# End of https://www.gitignore.io/api/macos,visualstudiocode,node
+
+# Custom rules (everything added below won't be overriden by 'Generate .gitignore File' if you use 'Update' option)
+

README.md

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+# GitHub Actions service contianer examples
+
+

postgres/client.js

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+const { Client } = require('pg')
+
+const pgclient = new Client({
+    host: 'postgres',
+    port: 5432,
+    user: 'postgres',
+    password: 'postgres',
+    database: 'postgres'
+});
+
+pgclient.connect();
+
+pgclient.query('SELECT NOW()', (err, res) => {
+    if (err) throw err
+    console.log(res)
+    pgclient.end()
+});

postgres/package-lock.json

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+{
+  "requires": true,
+  "lockfileVersion": 1,
+  "dependencies": {
+    "buffer-writer": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/buffer-writer/-/buffer-writer-2.0.0.tgz",
+      "integrity": "sha512-a7ZpuTZU1TRtnwyCNW3I5dc0wWNC3VR9S++Ewyk2HHZdrO3CQJqSpd+95Us590V6AL7JqUAH2IwZ/398PmNFgw=="
+    },
+    "packet-reader": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/packet-reader/-/packet-reader-1.0.0.tgz",
+      "integrity": "sha512-HAKu/fG3HpHFO0AA8WE8q2g+gBJaZ9MG7fcKk+IJPLTGAD6Psw4443l+9DGRbOIh3/aXr7Phy0TjilYivJo5XQ=="
+    },
+    "pg": {
+      "version": "7.12.1",
+      "resolved": "https://registry.npmjs.org/pg/-/pg-7.12.1.tgz",
+      "integrity": "sha512-l1UuyfEvoswYfcUe6k+JaxiN+5vkOgYcVSbSuw3FvdLqDbaoa2RJo1zfJKfPsSYPFVERd4GHvX3s2PjG1asSDA==",
+      "requires": {
+        "buffer-writer": "2.0.0",
+        "packet-reader": "1.0.0",
+        "pg-connection-string": "0.1.3",
+        "pg-pool": "^2.0.4",
+        "pg-types": "^2.1.0",
+        "pgpass": "1.x",
+        "semver": "4.3.2"
+      }
+    },
+    "pg-connection-string": {
+      "version": "0.1.3",
+      "resolved": "https://registry.npmjs.org/pg-connection-string/-/pg-connection-string-0.1.3.tgz",
+      "integrity": "sha1-2hhHsglA5C7hSSvq9l1J2RskXfc="
+    },
+    "pg-int8": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/pg-int8/-/pg-int8-1.0.1.tgz",
+      "integrity": "sha512-WCtabS6t3c8SkpDBUlb1kjOs7l66xsGdKpIPZsg4wR+B3+u9UAum2odSsF9tnvxg80h4ZxLWMy4pRjOsFIqQpw=="
+    },
+    "pg-pool": {
+      "version": "2.0.7",
+      "resolved": "https://registry.npmjs.org/pg-pool/-/pg-pool-2.0.7.tgz",
+      "integrity": "sha512-UiJyO5B9zZpu32GSlP0tXy8J2NsJ9EFGFfz5v6PSbdz/1hBLX1rNiiy5+mAm5iJJYwfCv4A0EBcQLGWwjbpzZw=="
+    },
+    "pg-types": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/pg-types/-/pg-types-2.2.0.tgz",
+      "integrity": "sha512-qTAAlrEsl8s4OiEQY69wDvcMIdQN6wdz5ojQiOy6YRMuynxenON0O5oCpJI6lshc6scgAY8qvJ2On/p+CXY0GA==",
+      "requires": {
+        "pg-int8": "1.0.1",
+        "postgres-array": "~2.0.0",
+        "postgres-bytea": "~1.0.0",
+        "postgres-date": "~1.0.4",
+        "postgres-interval": "^1.1.0"
+      }
+    },
+    "pgpass": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/pgpass/-/pgpass-1.0.2.tgz",
+      "integrity": "sha1-Knu0G2BltnkH6R2hsHwYR8h3swY=",
+      "requires": {
+        "split": "^1.0.0"
+      }
+    },
+    "postgres-array": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/postgres-array/-/postgres-array-2.0.0.tgz",
+      "integrity": "sha512-VpZrUqU5A69eQyW2c5CA1jtLecCsN2U/bD6VilrFDWq5+5UIEVO7nazS3TEcHf1zuPYO/sqGvUvW62g86RXZuA=="
+    },
+    "postgres-bytea": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/postgres-bytea/-/postgres-bytea-1.0.0.tgz",
+      "integrity": "sha1-AntTPAqokOJtFy1Hz5zOzFIazTU="
+    },
+    "postgres-date": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/postgres-date/-/postgres-date-1.0.4.tgz",
+      "integrity": "sha512-bESRvKVuTrjoBluEcpv2346+6kgB7UlnqWZsnbnCccTNq/pqfj1j6oBaN5+b/NrDXepYUT/HKadqv3iS9lJuVA=="
+    },
+    "postgres-interval": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/postgres-interval/-/postgres-interval-1.2.0.tgz",
+      "integrity": "sha512-9ZhXKM/rw350N1ovuWHbGxnGh/SNJ4cnxHiM0rxE4VN41wsg8P8zWn9hv/buK00RP4WvlOyr/RBDiptyxVbkZQ==",
+      "requires": {
+        "xtend": "^4.0.0"
+      }
+    },
+    "semver": {
+      "version": "4.3.2",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-4.3.2.tgz",
+      "integrity": "sha1-x6BxWKgL7dBSNVt3DYLWZA+AO+c="
+    },
+    "split": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/split/-/split-1.0.1.tgz",
+      "integrity": "sha512-mTyOoPbrivtXnwnIxZRFYRrPNtEFKlpB2fvjSnCQUiAA6qAZzqwna5envK4uk6OIeP17CsdF3rSBGYVBsU0Tkg==",
+      "requires": {
+        "through": "2"
+      }
+    },
+    "through": {
+      "version": "2.3.8",
+      "resolved": "https://registry.npmjs.org/through/-/through-2.3.8.tgz",
+      "integrity": "sha1-DdTJ/6q8NXlgsbckEV1+Doai4fU="
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+    }
+  }
+}