Adding AI-generated compose/config files for alloy/loki/grafana stack

loki/compose.yaml

@@ -0,0 +1,73 @@
+---
+# Loki + Alloy + Grafana log aggregation stack
+# Place this file in a directory e.g. ~/docker/loki-stack/
+# Run with: docker compose up -d
+
+networks:
+  logging:
+    driver: bridge
+
+volumes:
+  loki-data:
+  grafana-data:
+
+services:
+
+  # ── Loki: log storage and query engine ──────────────────────────────────────
+  loki:
+    image: grafana/loki:3.4.2
+    container_name: loki
+    restart: unless-stopped
+    networks:
+      - logging
+    ports:
+      - "3100:3100"       # Loki HTTP API (Alloy pushes here; Grafana queries here)
+    volumes:
+      - loki-data:/loki
+      - ./config/loki.yml:/etc/loki/loki.yml:ro
+    command: -config.file=/etc/loki/loki.yml
+    healthcheck:
+      test: ["CMD-SHELL", "wget -q --spider http://localhost:3100/ready || exit 1"]
+      interval: 30s
+      timeout: 5s
+      retries: 5
+
+  # ── Alloy: log collector / syslog receiver ───────────────────────────────────
+  alloy:
+    image: grafana/alloy:v1.7.5
+    container_name: alloy
+    restart: unless-stopped
+    networks:
+      - logging
+    ports:
+      - "514:514/udp"     # Syslog UDP (for MikroTik and other network devices)
+      - "514:514/tcp"     # Syslog TCP
+      - "12345:12345"     # Alloy UI (optional, useful for debugging)
+    volumes:
+      - ./config/alloy.alloy:/etc/alloy/config.alloy:ro
+      - /var/lib/docker/containers:/var/lib/docker/containers:ro  # Docker log access
+      - /var/run/docker.sock:/var/run/docker.sock:ro              # Docker metadata
+    command: run /etc/alloy/config.alloy --server.http.listen-addr=0.0.0.0:12345
+    depends_on:
+      loki:
+        condition: service_healthy
+
+  # ── Grafana: log query UI ────────────────────────────────────────────────────
+  grafana:
+    image: grafana/grafana:11.5.2
+    container_name: grafana
+    restart: unless-stopped
+    networks:
+      - logging
+    ports:
+      - "3098:3000"
+    volumes:
+      - grafana-data:/var/lib/grafana
+      - ./config/grafana-datasources.yml:/etc/grafana/provisioning/datasources/loki.yml:ro
+    environment:
+      - GF_AUTH_ANONYMOUS_ENABLED=true         # Remove if you want login
+      - GF_AUTH_ANONYMOUS_ORG_ROLE=Admin       # Remove if you want login
+      - GF_SECURITY_ADMIN_PASSWORD=changeme    # Change this
+    depends_on:
+      loki:
+        condition: service_healthy