docker-compose.yml

version: "3"

services:

  postgres:
    image: mdillon/postgis:10-alpine
    container_name: osmvalidator_postgres
    restart: always
    environment:
      PG_DATABASE: $PG_DATABASE
      # https://docs.docker.com/samples/library/postgres/#environment-variables
      POSTGRES_USER: $PG_USER
      POSTGRES_PASSWORD: $PG_PASSWORD
      # https://www.postgresql.org/docs/10/static/libpq-envars.html
      PGUSER: $PG_USER
      PGPASSWORD: $PG_PASSWORD
    volumes:
      # https://github.com/docker-library/postgres/blob/master/10/docker-entrypoint.sh#L126
      - ./config/db-init.sh:/docker-entrypoint-initdb.d/osmvalidator.sh
      - db-data:/var/lib/postgresql/data
    ports:
      - 5432

  redis:
    image: redis:4-alpine
    container_name: osmvalidator_redis
    restart: always
    ports:
      - 6379

  scheduler:
    container_name: osmvalidator_scheduler
    image: osmvalidator
    build: .
    env_file:
     - .env
    environment:
      PGPASSWORD: $PG_PASSWORD
      PG_HOST: postgres
      REDIS_HOST: redis
    links:
      - postgres
      - redis
    depends_on:
      - postgres
      - redis
    command:
      - bash
      - -c
      - |
        until [[ $$((echo > /dev/tcp/postgres/5432) >/dev/null 2>&1; echo $$?) -eq 0 ]]; do
          echo waiting until postgres will be available
          sleep 10
        done
        pipenv run alembic upgrade head
        while true; do
          pipenv run python schedule.py
          sleep $OSM_CHECK_TIMEOUT
        done

  web:
    container_name: osmvalidator_web
    restart: always
    image: osmvalidator
    build: .
    env_file:
      - .env
    environment:
      PGPASSWORD: $PG_PASSWORD
      PG_HOST: postgres
      REDIS_HOST: redis
    links:
      - postgres
      - redis
    depends_on:
      - postgres
      - redis
      - scheduler
    command:
      - bash
      - -c
      - |
        until [[ $$((echo > /dev/tcp/postgres/5432) >/dev/null 2>&1; echo $$?) -eq 0 ]]; do
          echo waiting until postgres will be available
          sleep 10
        done
        until [[ $$(pipenv run alembic current 2>/dev/null) == *" (head)" ]]; do
          echo waiting until migrations will be applied
          sleep 10
        done
        pipenv run python main.py --host 0.0.0.0 --port 8080

  nginx:
    image: nginx:stable-alpine
    container_name: osmvalidator_nginx
    restart: always
    environment:
      NGINX_PORT: $NGINX_PORT
    volumes:
      - ./config/nginx.conf:/tmp/nginx.conf
    ports:
      - 8080:$NGINX_PORT
    depends_on:
      - web
    command:
      - sh
      - -c
      - |
        envsubst '$${NGINX_PORT}' < /tmp/nginx.conf > /etc/nginx/conf.d/default.conf && nginx -g 'daemon off;'

volumes:
  db-data: