App skeletons + health monitor.

Author: trzysiek

docker-compose-old.yml

@@ -0,0 +1,80 @@
+services:
+  prometheus:
+    image: prom/prometheus:latest
+    container_name: prometheus
+    ports:
+      - "9090:9090"
+    volumes:
+      - ./prometheus/prometheus.yml:/etc/prometheus/prometheus.yml
+      - prometheus_data:/prometheus
+    command:
+      - '--config.file=/etc/prometheus/prometheus.yml'
+      - '--storage.tsdb.path=/prometheus'
+      - '--web.console.libraries=/etc/prometheus/console_libraries'
+      - '--web.console.templates=/etc/prometheus/consoles'
+      - '--storage.tsdb.retention.time=200h'
+      - '--web.enable-lifecycle'
+    networks:
+      - grafana_network
+
+  grafana:
+    image: grafana/grafana:12.0.2
+    container_name: grafana
+    ports:
+      - "3000:3000"
+    environment:
+      - GF_AUTH_ANONYMOUS_ENABLED=true
+      - GF_AUTH_ANONYMOUS_ORG_ROLE=Admin
+      - GF_AUTH_DISABLE_LOGIN_FORM=true
+      - GF_USERS_ALLOW_SIGN_UP=false
+    volumes:
+      - grafana_data:/var/lib/grafana
+      - ./grafana/provisioning:/etc/grafana/provisioning
+    depends_on:
+      - prometheus
+    networks:
+      - grafana_network
+
+  loki:
+    image: grafana/loki:latest
+    container_name: loki
+    ports:
+      - "3100:3100"
+    volumes:
+      - ./loki:/etc/loki
+      - loki_data:/loki
+    command: -config.file=/etc/loki/loki.yml
+    networks:
+      - grafana_network
+
+  # Example microservice with metrics endpoint
+  metrics_generator:
+    image: prom/node-exporter:latest
+    container_name: example_metrics
+    ports:
+      - "9100:9100"
+    networks:
+      - grafana_network
+
+  log-generator:
+    build:
+      context: ./log-generator
+      dockerfile: Dockerfile
+    container_name: log-generator
+    networks:
+      - grafana_network
+    depends_on:
+      - loki
+
+volumes:
+  grafana_data:
+    driver: local
+  prometheus_data:
+    driver: local
+  loki_data:
+    driver: local
+
+networks:
+  grafana_network:
+    driver: bridge
+

docker-compose.yml

@@ -1,80 +1,48 @@
-services:
-  prometheus:
-    image: prom/prometheus:latest
-    container_name: prometheus
-    ports:
-      - "9090:9090"
-    volumes:
-      - ./prometheus/prometheus.yml:/etc/prometheus/prometheus.yml
-      - prometheus_data:/prometheus
-    command:
-      - '--config.file=/etc/prometheus/prometheus.yml'
-      - '--storage.tsdb.path=/prometheus'
-      - '--web.console.libraries=/etc/prometheus/console_libraries'
-      - '--web.console.templates=/etc/prometheus/consoles'
-      - '--storage.tsdb.retention.time=200h'
-      - '--web.enable-lifecycle'
-    networks:
-      - grafana_network
+version: '3.8'
 
-  grafana:
-    image: grafana/grafana:12.0.2
-    container_name: grafana
+services:
+  service1:
+    build: ./service1
+    container_name: service1
     ports:
-      - "3000:3000"
-    environment:
-      - GF_AUTH_ANONYMOUS_ENABLED=true
-      - GF_AUTH_ANONYMOUS_ORG_ROLE=Admin
-      - GF_AUTH_DISABLE_LOGIN_FORM=true
-      - GF_USERS_ALLOW_SIGN_UP=false
-    volumes:
-      - grafana_data:/var/lib/grafana
-      - ./grafana/provisioning:/etc/grafana/provisioning
-    depends_on:
-      - prometheus
+      - "5001:5001"
     networks:
-      - grafana_network
+      - microservices-network
+    healthcheck:
+      test: ["CMD", "curl", "-f", "http://localhost:5001/health"]
+      interval: 30s
+      timeout: 10s
+      retries: 3
 
-  loki:
-    image: grafana/loki:latest
-    container_name: loki
+  service2:
+    build: ./service2
+    container_name: service2
     ports:
-      - "3100:3100"
-    volumes:
-      - ./loki:/etc/loki
-      - loki_data:/loki
-    command: -config.file=/etc/loki/loki.yml
+      - "5002:5002"
     networks:
-      - grafana_network
+      - microservices-network
+    healthcheck:
+      test: ["CMD", "curl", "-f", "http://localhost:5002/health"]
+      interval: 30s
+      timeout: 10s
+      retries: 3
 
-  # Example microservice with metrics endpoint
-  metrics_generator:
-    image: prom/node-exporter:latest
-    container_name: example_metrics
+  health-monitor:
+    build: ./health-monitor
+    container_name: health-monitor
     ports:
-      - "9100:9100"
+      - "5000:5000"
     networks:
-      - grafana_network
-
-  log-generator:
-    build:
-      context: ./log-generator
-      dockerfile: Dockerfile
-    container_name: log-generator
-    networks:
-      - grafana_network
+      - microservices-network
     depends_on:
-      - loki
-
-volumes:
-  grafana_data:
-  # here was driver: local, but that didn't work
-  prometheus_data:
-  # here was driver: local, but that didn't work
-  loki_data:
-  # here was driver: local, but that didn't work
+      - service1
+      - service2
+    environment:
+      - CHECK_INTERVAL=10  # Check every 10 seconds
+      - TIMEOUT=5          # 5 second timeout for health checks
+      - MAX_RETRIES=3      # Max consecutive failures before marking as down
+    restart: unless-stopped
 
 networks:
-  grafana_network:
-    driver: bridge
-
+  microservices-network:
+    driver: bridge