docker-compose.yml

services:
  app:
    build: .
    restart: unless-stopped
    ports:
      - ${APP_HOST_ADDRESS:?'APP_HOST_ADDRESS is required'}:${APP_HOST_PORT:?'APP_HOST_PORT is required'}:${APP_CONTAINER_PORT}
    expose:
      - ${APP_CONTAINER_PORT}
    environment:
      - NAME=${APP_NAME:?'APP_NAME is required'}
      - DEBUG=${APP_DEBUG:?'APP_DEBUG is required'}
      - ADDRESS=${APP_CONTAINER_ADDRESS:?'APP_CONTAINER_ADDRESS is required'}
      - PORT=${APP_CONTAINER_PORT:?'APP_CONTAINER_PORT is required'}
      - RELOAD=${APP_RELOAD:?'APP_RELOAD is required'}
      - API_KEY=${API_KEY:?'API_KEY is required'}
      - APP_ENABLE_INTERACTIONS=${APP_ENABLE_INTERACTIONS:?'APP_ENABLE_INTERACTIONS is required'}
      - APP_ENABLE_LEARNERS=${APP_ENABLE_LEARNERS:?'APP_ENABLE_LEARNERS is required'}
      - DB_HOST=${CONST_POSTGRESQL_SERVICE_NAME:?'CONST_POSTGRESQL_SERVICE_NAME is required'}
      - DB_PORT=${CONST_POSTGRESQL_DEFAULT_PORT:?'CONST_POSTGRESQL_DEFAULT_PORT is required'}
      - DB_NAME=${POSTGRES_DB:?'POSTGRES_DB is required'}
      - DB_USER=${POSTGRES_USER:?'POSTGRES_USER is required'}
      - DB_PASSWORD=${POSTGRES_PASSWORD:?'POSTGRES_PASSWORD is required'}
    depends_on:
      postgres:
        condition: service_healthy

  postgres:
    # A portable solution: download image from Docker Hub.
    # image: postgres:18.3-alpine

    # A less portable solution: download image through a cache proxy provided by the University.
    # This solution is necessary to avoid "Too many requests" errors.
    # This solution won't work outside the University network.
    image: harbor.pg.innopolis.university/docker-hub-cache/postgres:18.3-alpine
    restart: unless-stopped
    environment:
      - POSTGRES_DB=${POSTGRES_DB:?'POSTGRES_DB is required'}
      - POSTGRES_USER=${POSTGRES_USER:?'POSTGRES_USER is required'}
      - POSTGRES_PASSWORD=${POSTGRES_PASSWORD:?'POSTGRES_PASSWORD is required'}
    ports:
      - ${POSTGRES_HOST_ADDRESS:?'POSTGRES_HOST_ADDRESS is required'}:${POSTGRES_HOST_PORT:?'POSTGRES_HOST_PORT is required'}:${CONST_POSTGRESQL_DEFAULT_PORT:?'CONST_POSTGRESQL_DEFAULT_PORT is required'}
    volumes:
      - postgres_data:/var/lib/postgresql/data
      - ./backend/app/data/init.sql:/docker-entrypoint-initdb.d/init.sql
    healthcheck:
      test:
        [
          "CMD-SHELL",
          "pg_isready -U ${POSTGRES_USER:?'POSTGRES_USER is required'} -d ${POSTGRES_DB:?'POSTGRES_DB is required'}",
        ]
      interval: 5s
      timeout: 5s
      retries: 5

  pgadmin:
    # A portable solution: download image from Docker Hub.
    # image: dpage/pgadmin4:latest

    # A less portable solution: download image through a cache proxy provided by the University.
    # This solution is necessary to avoid "Too many requests" errors.
    # This solution won't work outside the University network.
    image: harbor.pg.innopolis.university/docker-hub-cache/dpage/pgadmin4:latest
    restart: unless-stopped
    environment:
      - PGADMIN_DEFAULT_EMAIL=${PGADMIN_EMAIL:?'PGADMIN_EMAIL is required'}
      - PGADMIN_DEFAULT_PASSWORD=${PGADMIN_PASSWORD:?'PGADMIN_PASSWORD is required'}
    ports:
      - ${PGADMIN_HOST_ADDRESS:?'PGADMIN_HOST_ADDRESS is required'}:${PGADMIN_HOST_PORT:?'PGADMIN_HOST_PORT is required'}:80
    depends_on:
      postgres:
        condition: service_healthy

  caddy:
    build: frontend/
    depends_on:
      - app
    environment:
      - CADDY_CONTAINER_PORT=${CADDY_CONTAINER_PORT:?'CADDY_CONTAINER_PORT is required'}
      - APP_CONTAINER_PORT=${APP_CONTAINER_PORT:?'APP_CONTAINER_PORT is required'}
    ports:
      - ${CADDY_HOST_ADDRESS:?'CADDY_HOST_ADDRESS is required'}:${CADDY_HOST_PORT:?'CADDY_HOST_PORT is required'}:${CADDY_CONTAINER_PORT}
    volumes:
      - ./caddy/Caddyfile:/etc/caddy/Caddyfile

volumes:
  postgres_data: