fix loki

docker-compose.yml

@@ -104,7 +104,9 @@ services:
       - ./promtail.yml:/etc/promtail/promtail.yml
       - ./promtail-positions:/positions
     environment:
-      - LOKI=${LOKI_URL}
+      - LOKI_URL=${LOKI_URL}
+      - LOKI_USERNAME=${LOKI_USERNAME}
+      - LOKI_PASSWORD=${LOKI_PASSWORD}
     command: -config.file=/etc/promtail/promtail.yml -config.expand-env=true
 
 networks:

promtail.yml

@@ -6,7 +6,10 @@ positions:
   filename: /positions/positions.yaml
 
 clients:
-  - url: ${LOKI}
+  - url: ${LOKI_URL}
+    basic_auth:
+      username: ${LOKI_USERNAME}
+      password: ${LOKI_PASSWORD}
 
 scrape_configs:
   - job_name: nginx