Updated to handle production enviroments

Author: taesup

.env.example

@@ -1,16 +1,21 @@
-DOCKERHUB_NAME=your_docker_username
-IMAGE_NAME=image_name
-IMAGE_VERSION=0.0.0
+# Container version
+DOCKERHUB_NAME=name
+IMAGE_NAME=docker-deploy-demo
+IMAGE_VERSION=0.0.1
 
-EXPRESS_CONTAINER_PORT=8080
+# Container runtime
+PORT=8080
 EXPRESS_HOST_PORT=8080
+EXPRESS_CONTAINER_PORT=8080
 
 POSTGRES_HOST_PORT=5432
 POSTGRES_CONTAINER_PORT=5432
 POSTGRES_HOSTNAME=postgres-primary-db
-POSTGRES_USER=postgres_user
+POSTGRES_USER=username
 POSTGRES_PASSWORD=password
-POSTGRES_DB=project_db
+POSTGRES_DB=database_name
 
+REDIS_HOSTNAME=redis://redis-server:6379
 REDIS_HOST_PORT=6379
 REDIS_CONTAINER_PORT=6379
+SESSION_SECRET=secret

Dockerfile

@@ -1,21 +1,36 @@
-# Built from Node latest Alpine
-FROM node:10.0
+FROM node:10.15.1-alpine
 
-# Specify an optional argument with a default value
-ARG app_directory=/src/app
-ARG NODE_ENV=development
+# Update latest security patches
+RUN apk update && apk upgrade
 
-# Set the app directory as the context for all commands and entry to the container
-WORKDIR ${app_directory}
+# RUN adduser webuser -
+RUN adduser -D -g '' webuser
 
-# ONLY copy over the package.json to install NPM packages
+# SET default APP_DIR path
+ARG APP_DIR=/src/app
+
+# Create APP_DIR path and set permissions
+
+RUN mkdir -p $APP_DIR
+RUN chown -R webuser:webuser $APP_DIR
+
+# Switch user to non-privileged user
+USER webuser
+
+# Change working directory to application directory
+WORKDIR $APP_DIR
+
+# Copy package.json to /app directory
 COPY package.json .
 
-# Install node module dependencies
+# Install node modules/dependencies
 RUN npm install
 
-# Add the rest of the project files(most builds will start from here based on cache)
+# Copy application code
 COPY . .
 
-# Start the node application as you normally would
+# Expose this port on DOCKER NETWORK (NOT HOST MAPPING)
+EXPOSE 8080
+
+# Start the Express server
 CMD ["node", "./server/server.js"]

docker-compose.override.yml

@@ -7,11 +7,8 @@ services:
     command: ["npm", "run", "dev"]
     container_name: ${IMAGE_NAME}
     volumes:
-      - ".:/src/app/:rw"
+      - ".:/src/app"
     env_file: .env
-    environment:
-      ENVIRONMENT: production
-      NODE_ENV: production
     ports:
       - "${EXPRESS_HOST_PORT}:${EXPRESS_CONTAINER_PORT}"
     networks:

docker-compose.prod.yml

@@ -0,0 +1,38 @@
+version: "3"
+services:
+  express-server:
+    image: ${DOCKERHUB_NAME}/${IMAGE_NAME}:${IMAGE_VERSION}
+    depends_on:
+      - postgres-primary-db
+    container_name: ${IMAGE_NAME}
+    env_file: .env
+    environment:
+      ENVIRONMENT: production
+      NODE_ENV: production
+    ports:
+      - "${EXPRESS_HOST_PORT}:${EXPRESS_CONTAINER_PORT}"
+    networks:
+      - my-app-network
+  postgres-primary-db:
+    image: postgres:10.0-alpine
+    env_file: .env
+    volumes:
+      - pg-data-volume:/var/lib/postgresql/data
+    ports:
+      - '${POSTGRES_HOST_PORT}:${POSTGRES_CONTAINER_PORT}'
+    networks:
+      - my-app-network
+  redis-server:
+    image: redis:4.0-alpine
+    env_file: .env
+    volumes:
+      - redis-data-volume:/data
+    ports:
+      - '${REDIS_HOST_PORT}:${REDIS_CONTAINER_PORT}'
+    networks:
+      - my-app-network
+volumes:
+  pg-data-volume:
+  redis-data-volume:
+networks:
+  my-app-network:

docker-compose.yml

@@ -2,5 +2,4 @@ version: "3"
 services:
   express-server:
     build: .
-    image: ${DOCKERHUB_NAME}/${IMAGE_NAME}/${IMAGE_VERSION}
-    env_file: .env
+    image: ${DOCKERHUB_NAME}/${IMAGE_NAME}:${IMAGE_VERSION}

server/db/bookshelf.js renamed to server/database/bookshelf.js

@@ -1,5 +1,4 @@
 const knex = require('./knex');
 const bookshelf = require('bookshelf')(knex);
 bookshelf.plugin('registry');
-
 module.exports = bookshelf;

server/database/knex.js

@@ -0,0 +1,2 @@
+const config = require('../knexfile.js');
+module.exports = require('knex')(config);

server/db/migrations/20181224104403_users.js renamed to server/database/migrations/20181224104403_users.js

@@ -0,0 +1,13 @@
+exports.seed = function(knex, Promise) {
+  // Deletes ALL existing entries
+  return knex('users').del()
+    .then(function () {
+      // Inserts seed entries
+      return knex('users').insert([
+        { username: 'ed' },
+        { username: 'raymond' },
+        { username: 'jason' }
+      ]);
+    });
+};
+

server/db/models/user.js renamed to server/database/models/User.js

@@ -1,66 +1,23 @@
 // Update with your config settings.
 require('dotenv').config({path: '../.env'})
-
 module.exports = {
-
-  development: {
-    client: 'pg',
-    connection: {
-      host: 'localhost',
-      database: process.env.POSTGRES_DB,
-      port: process.env.POSTGRES_CONTAINER_PORT,
-      user: process.env.POSTGRES_USER,
-      password: process.env.POSTGRES_PASSWORD
-    },
-    pool: {
-      min: 2,
-      max: 10
-    },
-    migrations: {
-      tableName: 'knex_migrations',
-      directory: __dirname + '/db/migrations'
-    },
-    seeds: {
-      directory: __dirname + '/db/seeds'
-    }
+  client: 'pg',
+  connection: {
+    host: process.env.POSTGRES_HOSTNAME,
+    database: process.env.POSTGRES_DB,
+    port: process.env.POSTGRES_CONTAINER_PORT,
+    user: process.env.POSTGRES_USER,
+    password: process.env.POSTGRES_PASSWORD
   },
-
-  staging: {
-    client: 'postgresql',
-    connection: {
-      database: 'my_db',
-      user:     'username',
-      password: 'password'
-    },
-    pool: {
-      min: 2,
-      max: 10
-    },
-    migrations: {
-      tableName: 'knex_migrations'
-    }
+  pool: {
+    min: 2,
+    max: 10
   },
-
-  production: {
-    client: 'pg',
-    connection: {
-      host: process.env.POSTGRES_HOSTNAME,
-      database: process.env.POSTGRES_DB,
-      port: process.env.POSTGRES_CONTAINER_PORT,
-      user: process.env.POSTGRES_USER,
-      password: process.env.POSTGRES_PASSWORD
-    },
-    pool: {
-      min: 2,
-      max: 10
-    },
-    migrations: {
-      tableName: 'knex_migrations',
-      directory: __dirname + '/db/migrations'
-    },
-    seeds: {
-      directory: __dirname + '/db/seeds'
-    }
+  migrations: {
+    tableName: 'knex_migrations',
+    directory: './database/migrations'
+  },
+  seeds: {
+    directory: './database/seeds'
   }
-
 };

server/database/seeds/users.js

@@ -1,14 +1,20 @@
 const express = require('express');
 const bodyParser = require('body-parser');
-const app = express();
+const User = require('./database/models/User');
 
 // data vars
-const PORT = process.env.EXPRESS_CONTAINER_PORT;
-const User = require('./db/models/user');
+const PORT = process.env.PORT;
+const SESSION_SECRET = process.env.SESSION_SECRET;
+const REDIS_HOSTNAME = process.env.REDIS_HOSTNAME;
+
+if (!PORT) { console.log('No Port Found'); }
+if (!SESSION_SECRET) { console.log('No Session Secret Found'); }
+if (!REDIS_HOSTNAME) { console.log('No Redis Hostname Found'); }
+if (!PORT || !SESSION_SECRET || !REDIS_HOSTNAME) { return process.exit(1); }
 
 // setup server middleware
+const app = express();
 app.use(bodyParser.json({ extended: true }));
-app.use(express.static('server/public'));
 
 // routes
 app.get('/api/smoke', (req, res) => {