docker-compose.yml

---
version: "3.8"
services:
  postgres:
    image: "postgres:12"
    restart: "unless-stopped"
    command: "postgres -c config_file=/etc/postgresql.conf"
    environment:
      POSTGRES_PASSWORD: "${PGPASSWORD:-postgres}"
    volumes:
      - "postgres-data-dir:/var/lib/postgresql/data"
      - "./conf/postgresql.conf:/etc/postgresql.conf"

  init-db:
    image: "jupyter-beefed-up:latest"
    depends_on:
      - "postgres"
    # Run the script successfully at most once.
    restart: "on-failure"
    command: "/init-db.sh"
    secrets:
      - "pgpassfile"
    environment:
      PGHOST: "postgres"
      PGPORT: 5432
      PGUSER: "postgres"
      PGDATABASE: "postgres"
      PGPASSFILE: "/run/secrets/pgpassfile"
      # init-exercises tries to download the dumps only if DO_INIT_DB
      # is true.
      DO_INIT_DB: "${DO_INIT_DB:-true}"
    volumes:
      - "./scripts/init-db.sh:/init-db.sh"

  init-exercises:
    image: "jupyter-beefed-up:latest"
    depends_on:
      - "jupyter"
    # Run the script successfully at most once.
    restart: "on-failure"
    command: "/init-exercises.sh"
    secrets:
      - "pgpassfile"
    environment:
      PGHOST: "postgres"
      PGPORT: 5432
      PGUSER: "postgres"
      PGDATABASE: "postgres"
      PGPASSFILE: "/run/secrets/pgpassfile"
      # init-exercises tries to download the exercises only if DO_INIT_EXERCISES
      # is true.
      DO_INIT_EXERCISES: "${DO_INIT_EXERCISES:-true}"
    volumes:
      - "./scripts/init-exercises.sh:/init-exercises.sh"
      - "./exercises:/exercises"

  pgadmin:
    image: "dpage/pgadmin4:4.25"
    depends_on:
      - "postgres"
    restart: "unless-stopped"
    secrets:
      - "pgpassfile"
    environment:
      PGADMIN_DEFAULT_EMAIL: "${PGADMIN_DEFAULT_EMAIL:-no@emai.lservice}"
      PGADMIN_DEFAULT_PASSWORD: "${PGADMIN_DEFAULT_PASSWORD:-test}"
    expose:
      - "80"
    volumes:
      - "./conf/pgadmin4-servers.json:/pgadmin4/servers.json"

  jupyter:
    image: "jupyter-beefed-up:latest"
    build:
      context: "./docker"
      dockerfile: "jupyter.Dockerfile"
    depends_on:
      - "postgres"
    restart: "unless-stopped"
    secrets:
      - "pgpassfile"
    environment:
      PGHOST: "postgres"
      PGPORT: 5432
      PGUSER: "${POSTGRES_USER:-postgres}"
      PGDATABASE: "${POSTGRES_DB:-postgres}"
      PGPASSFILE: "/run/secrets/pgpassfile"
      JUPYTER_TOKEN: "${PGPASSWORD:-postgres}"
      RESTARTABLE: "yes"
      DATABASE_URL: "${DATABASE_URL:-postgres://postgres:postgres@postgres:5432/postgres}"
    volumes:
      - "./exercises:/home/jovyan"

  nginx:
    build:
      context: "./docker"
      dockerfile: "nginx.Dockerfile"
    ports:
      - "80:80"
      - "443:443"
    depends_on:
      - "jupyter"
    restart: "unless-stopped"

secrets:
  pgpassfile:
    file: "./pgpassfile"

volumes:
  postgres-data-dir: