docker-compose.yml

# Note that this targets Compose V1, i.e. docker-compose
# Tested with docker-compose version 1.24.1, build 4667896b

# Ensure the following files exist:
# - Secret files, as listed below
# - Optionally, persisted data directories `data-mysql/` and `data-caddy/` (comment in the service volumes below)

version: '3.3'

secrets:
  api_key:
    # A string representing an API key client/server interaction
    file: ./API_KEY.secret
  db_password:
    # A string representing the root database password
    file: ./DB_PASSWORD

services:

  db:
    image: mysql:8.0
    # Disable strict mode to prevent default field values errors
    command: mysqld --sql_mode=""
    # entrypoint: [ '/bin/sh', '-c', 'MYSQL_ROOT_PASSWORD=$$(cat /run/secrets/db_password) mysqld --sql_mode=""' ]
    environment:
      - MYSQL_ROOT_PASSWORD_FILE=/run/secrets/db_password
      - MYSQL_INITDB_SKIP_TZINFO=1
    ports:
      - 3306:3306
    secrets:
      - db_password
    # volumes:
      # Custom directory for persisted data
      # - ./data-mysql:/var/lib/mysql

  init-database:
    image: python:3.9-alpine
    volumes:
      - .:/src
    working_dir: /src
    # Install dependencies and initialize database and start-up tables (after waiting for the db to initialize)
    command: sh -c "pip install pymysql[rsa] pyyaml==5.3.1 && sleep 2 && DB_PASSWORD=`cat /run/secrets/db_password` python -m scripts.init_tables"
    environment:
      DB_ENDPOINT: db # Database service name
      DB_USER: root
    depends_on:
      - db
    secrets:
      - db_password


  server:
    build:
      context: .
      dockerfile: docker/server.Dockerfile
    entrypoint: [ '/bin/sh', '-c', 'DB_PASSWORD=$$(cat /run/secrets/db_password) python -m server.api_server --host 0.0.0.0 --port 4445 --api_key_file /run/secrets/api_key' ]
    environment:
      DB_ENDPOINT: db # Database service name
      DB_USER: root
    ports:
      - 4445:4445
    depends_on:
      - init-database
      - db
    secrets:
      - api_key
      - db_password

  frontend:
    build:
      context: ./frontend
      dockerfile: ../docker/frontend.Dockerfile
    entrypoint: [ '/bin/sh', '-c', 'export API_KEY=$$(cat /run/secrets/api_key); npm run dev -- -H 0.0.0.0' ] # TODO use yarn?
    environment:
      API_URL: http://server:4445/api
    ports:
      - 3000:3000
    depends_on:
      - server
    secrets:
      - api_key

  proxy:
    image: caddy:alpine
    volumes:
      # Note that this is a modified version of the Caddyfile to specify service names
      - ./server/Caddyfile.dockercompose:/etc/caddy/Caddyfile
      # Custom directory for persisted data
      # - ./data-caddy:/data
    ports:
      - 8080:8080
    depends_on:
      - frontend
      - server