version: "3"
volumes:
  data-volume: {} # an empty dir that can be earased by dropping the volume: docker-compose down -v

services:

  postgres:
    image: postgres:12.5-alpine
    container_name: cic_postgres
    environment:
      POSTGRES_USER: ${DATABASE_USER:-postgres}
      POSTGRES_PASSWORD: ${DATABASE_PASSWORD:-password}
      POSTGRES_DB: postgres
    ports:
      - 63432:5432
    restart: always
    volumes:
      - ./db/initdb_files/create_all_db.sql:/docker-entrypoint-initdb.d/1-create_all_db.sql #note these run in order
      - data-volume:/var/lib/postgresql/data

  db-migration:
    build:
      context: .
    environment:
      ETH_PROVIDER: ${ETH_PROVIDER:-wss://bloxberg-ws.dev.grassrootseconomics.net/}
      # CIC_REGISTRY_ADDRESS: ${CIC_REGISTRY_ADDRESS:?err} # TODO are there any public addresses we can use for a default?
      CIC_REGISTRY_ADDRESS: $CIC_REGISTRY_ADDRESS
      BANCOR_DIR: $BANCOR_DIR # is this required?
      DATABASE_HOST: postgres # because it's set in the postgres service block as well as port 
      DATABASE_PORT: 5432 
      DATABASE_USER: ${DATABASE_USER:-postgres}
      DATABASE_PASSWORD: ${DATABASE_PASSWORD:-password}
      DATABASE_NAME: ${DATABASE_NAME_CIC_CACHE:-cic-cache}
      DATABASE_ENGINE: postgres
      DATABASE_DRIVER: psycopg2
    command: [ "/usr/local/bin/wait-for-it/wait-for-it.sh", "postgres:5432", "--", 
               "migrate.py", "-c", "/usr/local/etc/cic-cache", "--migrations-dir", 
               "/usr/local/share/cic-cache/alembic", "-vv" ]
    depends_on:
      - postgres

  cic-cache-tracker:
    build: 
      context: .
    # https://docs.docker.com/compose/compose-file/#variable-substitution
    environment:
      ETH_PROVIDER: ${ETH_PROVIDER:-wss://bloxberg-ws.dev.grassrootseconomics.net/}
      # CIC_REGISTRY_ADDRESS: ${CIC_REGISTRY_ADDRESS:?err} # TODO are there any public addresses we can use for a default?
      CIC_REGISTRY_ADDRESS: $CIC_REGISTRY_ADDRESS
      BANCOR_DIR: $BANCOR_DIR # is this required?
      DATABASE_HOST: postgres # because it's set in the postgres service block as well as port 
      DATABASE_PORT: 5432 
      DATABASE_USER: ${DATABASE_USER:-postgres}
      DATABASE_PASSWORD: ${DATABASE_PASSWORD:-password}
      DATABASE_NAME: ${DATABASE_NAME_CIC_CACHE:-"cic-cache"}
      DATABASE_ENGINE: postgres
      DATABASE_DRIVER: psycopg2
    # deploy:
    #   restart_policy:
    #     condition: on-failure
    entrypoint: ["/usr/local/bin/cic-cache-tracker", "-vv"] 
    depends_on:
      - postgres
      - db-migration

  cic-cache-server:
    build:
      context: .
    environment:
      DATABASE_HOST: ${DATABASE_HOST:-postgres}
      DATABASE_PORT: 5432
      DATABASE_USER: ${DATABASE_USER:-postgres}
      DATABASE_PASSWORD: ${DATABASE_PASSWORD:-password}
      DATABASE_NAME: ${DATABASE_NAME_CIC_CACHE:-"cic-cache"}
      SERVER_PORT: 80
    ports:
      - 63313:80
    # deploy:
    #   restart_policy:
    #     condition: on-failure
    entrypoint: [ "/usr/local/bin/uwsgi", "--wsgi-file", "/usr/local/lib/python3.8/site-packages/cic_cache/runnable/server.py", "--http", ":80", "--pyargv", "-vv" ]
    depends_on:
      - postgres
      - db-migration