Sharkey Stack: add loki logging output

Docker/Docker-Compose/Sharkey/docker-compose.yml

@@ -25,6 +25,10 @@ services:
     volumes:
       - ./files:/sharkey/files
       - ./.config:/sharkey/.config:ro
+    logging:
+      driver: loki
+      options:
+        loki-url: "${LOKI_URL:-http://localhost:3100/loki/api/v1/push}"
 
   redis:
     restart: unless-stopped
@@ -37,6 +41,10 @@ services:
       test: "redis-cli ping"
       interval: 5s
       retries: 20
+    logging:
+      driver: loki
+      options:
+        loki-url: "${LOKI_URL:-http://localhost:3100/loki/api/v1/push}"
 
   db:
     restart: unless-stopped
@@ -51,6 +59,10 @@ services:
       test: "pg_isready -U $$POSTGRES_USER -d $$POSTGRES_DB"
       interval: 5s
       retries: 20
+    logging:
+      driver: loki
+      options:
+        loki-url: "${LOKI_URL:-http://localhost:3100/loki/api/v1/push}"
 
 
 ### Only one of the below should be used.
@@ -69,6 +81,10 @@ services:
     volumes:
       - ./meili_data:/meili_data
     restart: unless-stopped
+    logging:
+      driver: loki
+      options:
+        loki-url: "${LOKI_URL:-http://localhost:3100/loki/api/v1/push}"
 
 #  sonic:
 #    restart: unless-stopped
@@ -78,6 +94,10 @@ services:
 #    volumes:
 #      - ./sonic:/var/lib/sonic/store
 #      - ./sonic/config.cfg:/etc/sonic.cfg
+#    logging:
+#      driver: loki
+#      options:
+#        loki-url: "${LOKI_URL:-http://localhost:3100/loki/api/v1/push}"
 
 networks:
   calcnet: