Docker optimize 2022 07 24

.dockerignore

@@ -1,3 +1,7 @@
 node_modules
 npm-debug.log
-.git
+.git
+docker-compose*
+.dockerignore
+.gitignore
+Dockerfile

.gitignore

@@ -1,4 +1,4 @@
 node_modules
-.env
+docker-compose.override.yml
 src/config/.env.development
-config.ts
+config.ts

Dockerfile

@@ -2,12 +2,8 @@ FROM node:18-alpine
 
 WORKDIR /usr/src/app
 
-COPY ["package.json", "package-lock.json", "tsconfig.json", ".env", "./"]
-
-RUN npm install
-
 COPY . .
 
 EXPOSE 3000
 
-CMD ["npm", "start"]
+CMD ["./start.sh"]

README.md

@@ -6,4 +6,13 @@ Create .env file in format of the .env.example
 run "npm install"
 
 # Run on docker 
-docker-compose up --build -d
+
+`cp docker-compose.override.yml.example docker-compose.override.yml`
+
+Then modify your local copy of `docker-compose.override.yml` to suit your local testing environment.
+
+`docker-compose up --build -d`
+
+Then you can run the following to boot the container stack and view its console to follow logs and debug.
+
+`docker-compose up -d && docker-compose logs -f`

docker-compose.override.yml.example

@@ -0,0 +1,30 @@
+version: "3.9"
+
+x-environment: &environment
+    environment:
+      SERVICE_PORT: 3000
+      # Database connection
+      DB_USER: 'postgres'
+      DB_URL: 'postgres'
+      DB_NAME: 'postgres'
+      DB_PASSWORD: 'postgres'
+      DB_ROOT_PASSWORD: 'postgres'
+      DB_PORT: 5432
+      POSTGRES_PASSWORD: 'postgres'
+services: 
+  api: 
+    ports:
+      - 3000:3000
+    volumes: 
+    - .:/usr/src/app
+    <<: *environment
+
+  postgres: 
+    ports: 
+      - "5432:5432"
+    volumes: 
+      - data:/var/lib/postgresql/data
+    <<: *environment
+
+volumes:
+  data: {}

docker-compose.yml

@@ -1,27 +1,10 @@
-version: "3.8"
+version: "3.9"
 services: 
   api: 
-    container_name: api-gateway
-    restart: always
     build: .
-    ports:
-      - ${SERVICE_PORT}:${SERVICE_PORT}
+    image: pulldating/apigateway:latest
     depends_on:
       - db
-    volumes: 
-    - .:/usr/src/app
 
-  db: 
-    container_name: postgres
-    image: postgres
-    ports: 
-      - "4321:${DB_PORT}"
-    volumes: 
-      - data:/data/db
-    environment: 
-      - POSTGRES_PASSWORD=${DB_PASSWORD}
-      - POSTGRES_USER=${DB_USER}
-      - POSTGRES_DB=${DB_NAME}
-
-volumes:
-  data: {}
+  postgres: 
+    image: postgres:latest

start.sh

@@ -0,0 +1,3 @@
+#!/bin/sh
+npm install
+npm start