docker-compose.yml

version: "3.8"

volumes:
  mysql:
  postgres:
  stan:

services:

  mysql:
    image: "mysql:5.7" # We're using 5.7.
    container_name: "mono_mysql"
    restart: "always"
    ports:
      - "${mono_mysql_addr_port:-0}:3306"
    volumes:
      - "mysql:/var/lib/mysql"
    environment:
      MYSQL_ALLOW_EMPTY_PASSWORD: "yes"

  postgres:
    image: "postgres:12.7" # We're using 12.
    container_name: "mono_postgres"
    restart: "always"
    shm_size: "256m"
    ports:
      - "${mono_postgres_addr_port:-0}:5432"
    volumes:
      - "postgres:/var/lib/postgresql/data"
      - "${mono_postgres_tls_cert}:/dev.crt"
      - "${mono_postgres_tls_key}:/dev.key"
    environment:
      POSTGRES_PASSWORD: "postgres"
    entrypoint:
      - bash
      - -c
      - |
        set -x -e -o pipefail
        install -m 0440 -o root -g postgres /dev.crt /server.crt
        install -m 0440 -o root -g postgres /dev.key /server.key
        exec docker-entrypoint.sh postgres -c ssl=on \
            --ssl_cert_file=/server.crt --ssl_key_file=/server.key

  postgres-setup:
    depends_on:
      - postgres
    image: "postgres:12.7" # We're using 12.
    container_name: "mono_postgres-setup"
    restart: "no"
    volumes:
      - "./scripts/postgres-setup:/usr/local/bin/postgres-setup"
    environment:
      MONO__AUTH_POSTGRES_AUTH_LOGIN: "${MONO__AUTH_POSTGRES_AUTH_LOGIN}"
      MONO__AUTH_POSTGRES_AUTH_PASS: "${MONO__AUTH_POSTGRES_AUTH_PASS}"
      PGHOST: "postgres"
      PGUSER: "postgres"
      PGPASSWORD: "postgres"
    command:
      - bash
      - -c
      - |
        while ! timeout --foreground 0.5 bash -c "echo -n >/dev/tcp/$${PGHOST}/$${PGPORT:-5432}" 2>/dev/null; do
            echo waiting for postgres
            sleep 0.5
        done
        set -x -e -o pipefail
        postgres-setup | psql

  nats:
    image: "nats:2.2.6" # This is the latest version at the moment.
    container_name: mono_nats
    restart: always
    ports:
      - "${mono_nats_addr_port:-0}:4222"

  stan:
    image: "nats-streaming:0.21.2" # This is the latest version at the moment.
    container_name: mono_stan
    restart: always
    volumes:
      - "stan:/data"
    command:
      - "--cluster_id=local"
      - "--max_channels=0"
      - "--max_subs=0"
      - "--max_msgs=0"
      - "--max_bytes=0"
      - "--max_age=0s"
      - "--max_inactivity=0s"
      - "--nats_server=nats://nats:4222"
      - "--hb_interval=1s"
      - "--hb_timeout=1s"
      - "--hb_fail_count=3"
      - "--store=FILE"
      - "--dir=/data"
      - "--file_fds_limit=4000"

  mono:
    build:
      context: .
      dockerfile: use `./scripts/build` instead of `docker-compose build`
    image: "go-monolith-example:latest"
    container_name: mono_mono
    restart: always
    ports:
      - "${MONO_MONO_ADDR_PORT:-0}:17000"
      - "${MONO_AUTH_ADDR_PORT:-0}:17003"
      - "${MONO_AUTH_ADDR_PORT_INT:-0}:17004"
      - "${MONO_AUTH_GRPCGW_ADDR_PORT:-0}:17006"
      - "${MONO_AUTH_METRICS_ADDR_PORT:-0}:17005"
      - "${MONO_EXAMPLE_ADDR_PORT:-0}:17001"
      - "${MONO_EXAMPLE_METRICS_ADDR_PORT:-0}:17002"
    volumes:
      - "${MONO_TLS_CA_CERT}:/ca.crt"
      - "${MONO__AUTH_TLS_CERT}:/auth.crt"
      - "${MONO__AUTH_TLS_CERT_INT}:/auth-int.crt"
      - "${MONO__AUTH_TLS_KEY}:/auth.key"
      - "${MONO__AUTH_TLS_KEY_INT}:/auth-int.key"
    environment:
      MONO_ADDR_HOST: "${MONO_ADDR_HOST}"
      MONO_ADDR_HOST_INT: "${MONO_ADDR_HOST_INT}"
      MONO_AUTH_ADDR_HOST: "${MONO_AUTH_ADDR_HOST}"
      MONO_AUTH_ADDR_HOST_INT: "${MONO_AUTH_ADDR_HOST_INT}"
      MONO_TLS_CA_CERT: "/ca.crt"
      MONO_X_MYSQL_ADDR_HOST: "mysql"
      MONO_X_NATS_ADDR_URLS: "nats://nats:4222"
      MONO_X_POSTGRES_ADDR_HOST: "postgres"
      MONO_X_STAN_CLUSTER_ID: "local"
      MONO__AUTH_POSTGRES_AUTH_LOGIN: "${MONO__AUTH_POSTGRES_AUTH_LOGIN}"
      MONO__AUTH_POSTGRES_AUTH_PASS: "${MONO__AUTH_POSTGRES_AUTH_PASS}"
      MONO__AUTH_SECRET: "${MONO__AUTH_SECRET}"
      MONO__AUTH_TLS_CERT: "/auth.crt"
      MONO__AUTH_TLS_CERT_INT: "/auth-int.crt"
      MONO__AUTH_TLS_KEY: "/auth.key"
      MONO__AUTH_TLS_KEY_INT: "/auth-int.key"
      MONO__EXAMPLE_MYSQL_AUTH_LOGIN: "${MONO__EXAMPLE_MYSQL_AUTH_LOGIN}"
      MONO__EXAMPLE_MYSQL_AUTH_PASS: "${MONO__EXAMPLE_MYSQL_AUTH_PASS}"