fix: Prod deployment fixes

.gitea/workflows/production.yaml

@@ -165,6 +165,14 @@ jobs:
           echo "frontend_id=$FRONTEND_ID" >> $GITHUB_OUTPUT
           echo "backend_id=$BACKEND_ID" >> $GITHUB_OUTPUT
 
+      - name: Start shared services
+        run: |
+          cd "$DEPLOY_PATH"
+          # Start shared infrastructure services (database, cache, logging)
+          # These persist across blue-green deployments
+          docker compose -f $COMPOSE_FILE -f $COMPOSE_BLUE_GREEN -f $COMPOSE_PROD up -d \
+            mvp-postgres mvp-redis mvp-loki mvp-promtail mvp-grafana
+
       - name: Start target stack
         run: |
           cd "$DEPLOY_PATH"

config/loki/config.yml

@@ -4,6 +4,8 @@ server:
   http_listen_port: 3100
 
 ingester:
+  wal:
+    dir: /loki/wal
   lifecycler:
     ring:
       kvstore:
@@ -28,5 +30,9 @@ storage_config:
   filesystem:
     directory: /loki/chunks
 
+compactor:
+  working_directory: /loki/compactor
+  shared_store: filesystem
+
 limits_config:
   retention_period: 720h  # 30 days