docker-compose.yml

---
# docker-compose up
# no quote and no {} no commas
# example of array element is
# to parse yml is slower than parsing json, because everything is string and then we need to convert it to the right type
# tags:
#   - tag1
#   - tag2
# the volume name dumpdb_postgres-data
version: "3.8"

services:
  database:
    build:
      context: ./postgres_tests
      args:
        - postgres_version=10.15
    environment:
      POSTGRES_USER: grafanatest
      POSTGRES_PASSWORD: grafanatest
    ports:
      - "5432:5432"
    container_name: database
    healthcheck:
      test: ["CMD-SHELL", "pg_isready", "-d", "db_prod"]
      interval: 15s
      timeout: 10s
      retries: 5
      start_period: 40s
    volumes:
      - postgres-data:/var/lib/postgresql/data

  grafana:
    image: grafana/grafana:${grafana_version}
    container_name: grafana
    ports:
    # 3000 of computer to 3000 of container
      - "3000:3000"
    depends_on:
      database:
        condition: service_healthy
    environment:
      GF_DATABASE_TYPE: postgres
      GF_DATABASE_HOST: database:5432
      GF_DATABASE_NAME: grafanadstest
      GF_DATABASE_USER: grafanatest
      GF_DATABASE_PASSWORD: grafanatest

volumes:
  postgres-data:
    driver: local