Refactored penpot to use its own redis instance

docker-stacks/app-server/penpot.yml

@@ -18,7 +18,7 @@ networks:
 
 volumes:
   penpot_assets:
-  penpot_postgres_v15: # Added to persist your local database tables across container restarts
+  penpot_postgres_v15:
 
 services:
   penpot-frontend:
@@ -48,7 +48,9 @@ services:
       - "6060:6060"
     depends_on:
       penpot-postgres:
-        condition: service_healthy # Binds initialization order to a healthy local database
+        condition: service_healthy # Wait for database stability
+      penpot-valkey:
+        condition: service_healthy # Wait for internal caching layer stability
     environment:
       << : [*penpot-flags, *penpot-public-uri, *penpot-http-body-size, *penpot-secret-key]
       
@@ -60,8 +62,8 @@ services:
       PENPOT_DATABASE_USERNAME: penpot
       PENPOT_DATABASE_PASSWORD: penpot
 
-      ## Valkey/Redis parameters routed directly to your active k3s node
+      ## Local Caching Layer connection parameter
-      PENPOT_REDIS_URI: ${PENPOT_REDIS_URI}
+      PENPOT_REDIS_URI: redis://penpot-valkey/0
 
       ## Storage Settings
       PENPOT_OBJECTS_STORAGE_BACKEND: fs
@@ -79,7 +81,10 @@ services:
   penpot-exporter:
     image: "penpotapp/exporter:${PENPOT_VERSION:-latest}"
     restart: always
-    shm_size: '2gb' # Retained to protect Puppeteer rendering processes from memory crashes
+    shm_size: '2gb' # Protects Puppeteer rendering processes from memory crashes
+    depends_on:
+      penpot-valkey:
+        condition: service_healthy
     networks:
       - penpot-net
     environment:
@@ -87,9 +92,9 @@ services:
       PENPOT_EXPORTER_SECRET_KEY: ${PENPOT_EXPORTER_SECRET_KEY}
       PENPOT_PUBLIC_URI: http://penpot-frontend:8080
 
-      ## Valkey/Redis variables duplicated to satisfy background exporter sub-engines
+      ## Local Caching Layer connections for the exporter sub-engine
-      PENPOT_REDIS_URI: ${PENPOT_REDIS_URI}
+      PENPOT_REDIS_URI: redis://penpot-valkey/0
-      PENPOT_REDIS_URL: ${PENPOT_REDIS_URI}
+      PENPOT_REDIS_URL: redis://penpot-valkey/0
       PENPOT_FLAGS: disable-sandbox
 
   # Integrated isolated Database Service
@@ -112,3 +117,18 @@ services:
       timeout: 10s
       retries: 5
       start_period: 2s
+
+  # Integrated isolated Caching Engine (Valkey drop-in for Redis)
+  penpot-valkey:
+    image: valkey/valkey:8.1
+    restart: always
+    networks:
+      - penpot-net
+    environment:
+      - VALKEY_EXTRA_FLAGS=--maxmemory 128mb --maxmemory-policy volatile-lfu
+    healthcheck:
+      test: ["CMD-SHELL", "valkey-cli ping | grep PONG"]
+      interval: 1s
+      timeout: 3s
+      retries: 5
+      start_period: 3s