java_survey_app-cloud_computing_2025/docker-compose.prod.yml at main · sero583/java_survey_app-cloud_computing_2025 · GitHub

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# Production Docker Compose for QR Code Based Survey App
# This file uses pre-built images from GitHub Container Registry
#
# Usage:
#   1. Download this file
#   2. (Optional) Create a .env file to customize settings
#   3. Run: docker compose -f docker-compose.prod.yml up -d
#   4. Access: http://localhost
#
# Environment Variables (optional, with defaults):
#   POSTGRES_USER=postgres
#   POSTGRES_PASSWORD=test123
#   POSTGRES_DB=surveydb
#   APP_BASE_URL=http://localhost
#   IMAGE_TAG=latest (or specific version like v1.0.0)

services:
  loadbalancer:
    image: haproxy:2.7
    container_name: survey-loadbalancer
    ports:
      - "80:80"
    configs:
      - source: haproxy_config
        target: /usr/local/etc/haproxy/haproxy.cfg
    networks:
      - app-network
    depends_on:
      webserver1:
        condition: service_healthy
      webserver2:
        condition: service_healthy
    deploy:
      resources:
        limits:
          cpus: '0.5'
          memory: 256M
    restart: unless-stopped
    healthcheck:
      test: ["CMD", "haproxy", "-c", "-f", "/usr/local/etc/haproxy/haproxy.cfg"]
      interval: 30s
      timeout: 3s
      retries: 3
      start_period: 10s

  webserver1:
    image: ghcr.io/sero583/java_survey_app-cloud_computing_2025-webserver:${IMAGE_TAG:-latest}
    container_name: survey-webserver1
    environment:
      - SPRING_DATASOURCE_URL=jdbc:postgresql://database:5432/${POSTGRES_DB:-surveydb}
      - SPRING_DATASOURCE_USERNAME=${POSTGRES_USER:-postgres}
      - SPRING_DATASOURCE_PASSWORD=${POSTGRES_PASSWORD:-test123}
      - APP_BASE_URL=${APP_BASE_URL:-http://localhost}
    networks:
      - app-network
      - db-network
    depends_on:
      database:
        condition: service_healthy
    deploy:
      resources:
        limits:
          cpus: '1.0'
          memory: 1G
    restart: unless-stopped
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost:8080/actuator/health"]
      interval: 30s
      timeout: 3s
      retries: 3
      start_period: 40s

  webserver2:
    image: ghcr.io/sero583/java_survey_app-cloud_computing_2025-webserver:${IMAGE_TAG:-latest}
    container_name: survey-webserver2
    environment:
      - SPRING_DATASOURCE_URL=jdbc:postgresql://database:5432/${POSTGRES_DB:-surveydb}
      - SPRING_DATASOURCE_USERNAME=${POSTGRES_USER:-postgres}
      - SPRING_DATASOURCE_PASSWORD=${POSTGRES_PASSWORD:-test123}
      - APP_BASE_URL=${APP_BASE_URL:-http://localhost}
    networks:
      - app-network
      - db-network
    depends_on:
      database:
        condition: service_healthy
    deploy:
      resources:
        limits:
          cpus: '1.0'
          memory: 1G
    restart: unless-stopped
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost:8080/actuator/health"]
      interval: 30s
      timeout: 3s
      retries: 3
      start_period: 40s

  database:
    image: ghcr.io/sero583/java_survey_app-cloud_computing_2025-database:${IMAGE_TAG:-latest}
    container_name: survey-database
    environment:
      POSTGRES_USER: ${POSTGRES_USER:-postgres}
      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-test123}
      POSTGRES_DB: ${POSTGRES_DB:-surveydb}
    volumes:
      - survey-db-data:/var/lib/pgsql/data
    networks:
      - db-network
    deploy:
      resources:
        limits:
          cpus: '1.0'
          memory: 512M
    restart: unless-stopped
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER:-postgres}"]
      interval: 10s
      timeout: 3s
      retries: 5
      start_period: 30s

networks:
  app-network:
    driver: bridge
  db-network:
    driver: bridge
    internal: true

volumes:
  survey-db-data:
    driver: local

configs:
  haproxy_config:
    content: |
      global
          log stdout format raw local0

      defaults
          log     global
          mode    http
          option  httplog
          timeout connect 5000ms
          timeout client  50000ms
          timeout server  50000ms

      frontend http_front
          bind *:80
          default_backend http_back

      backend http_back
          balance roundrobin
          option httpchk GET /actuator/health
          http-check expect status 200
          server webserver1 webserver1:8080 check inter 10s fall 3 rise 2
          server webserver2 webserver2:8080 check inter 10s fall 3 rise 2