docker-compose.yml

version: '3.7'

services:
    mal2-nginx:
        image: nginx:latest
        container_name: mal2-fakeshop-plugin_nginx
        restart: always
        ports:
            - "80:80"
            - "443:443"
        volumes:
            - ./nginx_config.conf:/etc/nginx/conf.d/default.conf
            - ./frontend-static/www:/etc/nginx/frontend-static/www
            #contains the letsencrypt mal2.ait.ac.at certificate
            - /etc/letsencrypt/live:/etc/letsencrypt/live:ro # current certificate
            - /etc/letsencrypt/archive:/etc/letsencrypt/archive:ro # all certificates (symlinks from /live points here)
            #expose logs to host
            - ./logs/nginx:/var/log/nginx 
        depends_on:
            - mal2-rest-api
            - mal2-rest-db
            
    #Note postgres executes initdb.sh when launched
    mal2-rest-db:
        image: postgres:11.5
        container_name: mal2-fakeshop-plugin_rest-api_db
        #restart container on system restart or docker daemon restart
        restart: always
        volumes:
            # execute mal2 db setup script on docker postgres init 
            - ./backend-api-server/init-mal2-db.sh:/docker-entrypoint-initdb.d/initdb.sh
            # persist db data on docker host system under ./_dbdata
            # Note: windows remove the line below due to https://stackoverflow.com/questions/49148754/docker-container-shuts-down-giving-data-directory-has-wrong-ownership-error-wh
            - ./backend-api-server/db_data:/var/lib/postgresql/data/pgdata
            # make sure database uses same timezone and syncs with localtime from host
            - /etc/timezone:/etc/timezone:ro
            - /etc/localtime:/etc/localtime:ro
        ports:
            #expose sql db on port 54320 on host system
            - 54320:5432
          
        environment:
            POSTGRES_PASSWORD: postgres
            POSTGRES_DB: postgres
            PGDATA: /var/lib/postgresql/data/pgdata
            #SCHEMA: public
            #ANON: web_anon
            #AUTHENTICATOR: authenticator
        healthcheck:
            test: ["CMD-SHELL", "pg_isready -U postgres"]
            #don't use curl @see https://github.com/peter-evans/docker-compose-healthcheck
            #test: ["CMD", "curl", "-f", "http://127.0.0.1:54320"]
            interval: 10s
            timeout: 5s
            retries: 5
  
    mal2-rest-api:
        container_name: mal2-fakeshop-plugin_rest-api_server
        build: 
            context: .
            dockerfile: ./backend-api-server/docker/Dockerfile
            #override by calling docker-compose build --build-arg ENDPOINT_BASE=mal2.ait.ac.at
            args:
                - ENDPOINT_BASE=localhost
                - ENDPOINT_PORT=8081
        links:
            - mal2-rest-db
        volumes:
            # make sure database uses same timezone and syncs with localtime from host
            - /etc/timezone:/etc/timezone:ro
            - /etc/localtime:/etc/localtime:ro
            # expose logs to host
            - ./logs/rest-api:/mal2/rest-api/logs #expose logs to host
            # expose exported predictions csv to host
            - ./backend-api-server/predictions:/mal2/rest-api/swagger_server/resources/predictions
        ports:
            - 8081:8081
        #required as initial db initialization starts, fails (logical replication launcher) and restarts, therefore healthcheck triggered too early.
        restart: on-failure
        #network: no need for defining a network: a common network is created for all services