Docker Compose File

In this lesson we will look at the basics of creating a compose file.

Step 1: Setup your environment:

cd ~

cd compose

git clone https://github.com/nishanthkumarpathi/content-weather-app.git weather-app

 cd weather-app

 git checkout compose

Step 2: Create a docker-compose.yml file:

touch docker-compose.yml

docker-compose.yml contents:

version: '3'
services:
  weather-app:
    build:
      context: .
      args:
        - VERSION=v2.0
    ports:
      - "8081:3000"
    environment:
      - NODE_ENV=production

Step 3: Create the compose container:

docker-compose up -d

List compose services:

docker-compose ps

Step 4: Verify the weather-app is working:

curl http://localhost:8081

Step 5: Rebuild the image:

docker-compose build

Step 6: Rebuild the image with no cache:

docker-compose build --no-cache