swtich from ELK to Loki!

logserver/docker-compose.yml

@@ -1,80 +1,57 @@
+version: '3.8'
+
 services:
-  elasticsearch:
-    image: docker.elastic.co/elasticsearch/elasticsearch:${ES_VERSION:-7.17.23}
-    container_name: ${CONTAINER_NAME}_elasticsearch
+  # Grafana - Simple Web UI
+  grafana:
+    image: grafana/grafana:latest
+    container_name: ${CONTAINER_NAME}_grafana
     environment:
-      - discovery.type=single-node
-      - "ES_JAVA_OPTS=-Xms${ES_HEAP_SIZE:-2g} -Xmx${ES_HEAP_SIZE:-2g}"
-      - xpack.security.enabled=true
-      - xpack.security.authc.api_key.enabled=true
-      - ELASTIC_PASSWORD=${ELASTIC_PASSWORD:-${KIBANA_PASSWORD:-changeme}}
-      - xpack.monitoring.enabled=false
-      - cluster.routing.allocation.disk.threshold_enabled=false
+      - GF_SECURITY_ADMIN_USER=${ADMIN_USER:-admin}
+      - GF_SECURITY_ADMIN_PASSWORD=${ADMIN_PASSWORD:-changeme}
+      - GF_USERS_ALLOW_SIGN_UP=false
     volumes:
-      - elasticsearch_data:/usr/share/elasticsearch/data
+      - grafana_data:/var/lib/grafana
+      - ${CONFIG_PATH}/grafana-datasources.yml:/etc/grafana/provisioning/datasources/datasources.yaml:ro
+      - ${CONFIG_PATH}/grafana-dashboard.yml:/etc/grafana/provisioning/dashboards/dashboard.yaml:ro
+      - ${CONFIG_PATH}/dashboards:/var/lib/grafana/dashboards:ro
     ports:
-      - "127.0.0.1:9200:9200"
-    networks:
-      - elk
+      - "${WEB_PORT:-3000}:3000"
     restart: unless-stopped
-    ulimits:
-      memlock:
-        soft: -1
-        hard: -1
-      nofile:
-        soft: 65536
-        hard: 65536
-
-  logstash:
-    image: docker.elastic.co/logstash/logstash:${LS_VERSION:-7.17.23}
-    container_name: ${CONTAINER_NAME}_logstash
-    environment:
-      - "LS_JAVA_OPTS=-Xms${LS_HEAP_SIZE:-1g} -Xmx${LS_HEAP_SIZE:-1g}"
-      - "xpack.monitoring.enabled=false"
-      - ELASTIC_PASSWORD=${ELASTIC_PASSWORD:-${KIBANA_PASSWORD:-changeme}}
-      - CONTAINER_NAME=${CONTAINER_NAME}
-    command: logstash -f /usr/share/logstash/config/logstash.conf
-    volumes:
-      - ${CONFIG_PATH}:/usr/share/logstash/config
-      - logstash_data:/usr/share/logstash/data
-    ports:
-      - "${LOGSTASH_BEATS_PORT:-5044}:5044"
-      - "${LOGSTASH_SYSLOG_PORT:-514}:514/tcp"
-      - "${LOGSTASH_SYSLOG_PORT:-514}:514/udp"
-    networks:
-      - elk
     depends_on:
-      - elasticsearch
-    restart: unless-stopped
-
-  kibana:
-    image: docker.elastic.co/kibana/kibana:${KIBANA_VERSION:-7.17.23}
-    container_name: ${CONTAINER_NAME}_kibana
-    environment:
-      - ELASTICSEARCH_HOSTS=http://elasticsearch:9200
-      - ELASTICSEARCH_USERNAME=elastic
-      - ELASTICSEARCH_PASSWORD=${ELASTIC_PASSWORD:-${KIBANA_PASSWORD:-changeme}}
-      - XPACK_SECURITY_ENABLED=true
-      - NODE_OPTIONS=--openssl-legacy-provider
-      - SERVER_PUBLICBASEURL=${SERVER_PUBLICBASEURL:-http://localhost:5601}
-    volumes:
-      - kibana_data:/usr/share/kibana/data
-    ports:
-      - "${KIBANA_PORT:-5601}:5601"
+      - loki
     networks:
-      - elk
-    depends_on:
-      - elasticsearch
+      - loki-net
+
+  # Loki - Log storage (not exposed directly)
+  loki:
+    image: grafana/loki:latest
+    container_name: ${CONTAINER_NAME}_loki
+    volumes:
+      - loki_data:/loki
+      - ${CONFIG_PATH}/loki.yaml:/etc/loki/local-config.yaml:ro
+    command: -config.file=/etc/loki/local-config.yaml
     restart: unless-stopped
+    networks:
+      - loki-net
+
+  # Nginx - Authentication proxy for Loki
+  nginx:
+    image: nginx:alpine
+    container_name: ${CONTAINER_NAME}_nginx
+    volumes:
+      - ${CONFIG_PATH}/nginx.conf:/etc/nginx/nginx.conf:ro
+      - ${CONFIG_PATH}/.htpasswd:/etc/nginx/.htpasswd:ro
+    ports:
+      - "${LOKI_PORT:-3100}:80"
+    restart: unless-stopped
+    depends_on:
+      - loki
+    networks:
+      - loki-net
 
 networks:
-  elk:
-    driver: bridge
+  loki-net:
 
 volumes:
-  elasticsearch_data:
-    name: ${CONTAINER_NAME}_elasticsearch_data
-  logstash_data:
-    name: ${CONTAINER_NAME}_logstash_data
-  kibana_data:
-    name: ${CONTAINER_NAME}_kibana_data
+  grafana_data:
+  loki_data: