👌 IMPROVE: Enhance Loki configuration with additional server settings and limits configuration

config/loki-config.yaml

@@ -1,8 +1,12 @@
----
 auth_enabled: false
 
 server:
   http_listen_port: 3100
+  http_server_read_timeout: 1m
+  http_server_write_timeout: 1m
+  grpc_listen_port: 9095
+  log_level: info
+  log_format: logfmt
 
 common:
   instance_addr: 127.0.0.1
@@ -14,7 +18,15 @@ common:
   replication_factor: 1
   ring:
     kvstore:
-      store: inmemory
+      store: inmemory  # ✅ Use inmemory for single-node setups
+
+limits_config:
+  reject_old_samples: true
+  reject_old_samples_max_age: 168h
+  ingestion_rate_mb: 10
+  ingestion_burst_size_mb: 20
+  max_query_parallelism: 8
+  max_query_lookback: 168h
 
 schema_config:
   configs:
@@ -26,5 +38,12 @@ schema_config:
         prefix: index_
         period: 24h
 
+table_manager:
+  retention_deletes_enabled: true
+  retention_period: 168h
+
 ruler:
   alertmanager_url: http://localhost:9093
+  rule_path: /loki/rules
+  enable_alertmanager_v2: true
+  enable_api: true

docker-compose.yml

@@ -65,7 +65,11 @@ services:
   loki:
     container_name: loki
     image: docker.io/grafana/loki:3.5.0
-    command: "-config.file=/etc/loki/config.yaml" # Tells Grafana Loki to start with the config file.
+    command: 
+      - "-config.file=/etc/loki/config.yaml" # Tells Grafana Loki to start with the config file.
+      - "-config.expand-env=true"
+    ports:
+      - "3100:3100"
     volumes:
       - ./config/loki-config.yaml:/etc/loki/config.yaml:ro
       - data_loki:/loki:rw
@@ -73,7 +77,7 @@ services:
       - grafana-prometheus
     restart: unless-stopped
     healthcheck:
-      test: ["CMD", "wget", "--spider", "-q", "http://localhost:3100/ready"]
+      test: ["CMD", "wget", "--spider", "-q", "http://loki:3100/ready"]
       interval: 10s     # check every 10 seconds
       timeout: 5s       # wait max 5 seconds per check
       retries: 5        # mark as unhealthy after 5 failures
@@ -81,7 +85,7 @@ services:
   https_portal:
     container_name: https_portal
     image: "steveltn/https-portal:1.21"
-    restart: unless-stopped
+    restart: always
     networks:
       - grafana-prometheus
     ports:
@@ -95,6 +99,7 @@ services:
       CLIENT_MAX_BODY_SIZE: 0
       # FORCE_RENEW: 'true'
       DOMAINS: 'grafana.phx-erp.de -> https://grafana:3000, prometheus.phx-erp.de -> https://prometheus:9090'
+      # loki-logs.phx-erp.de -> http://localhost:3100
     volumes:
       - ./https_portal/data:/var/lib/https-portal # ssl_certs, vhost.d, htdocs
       - ./https_portal/log:/var/log/nginx # nginx logs