add an alternative to browserless, for lightweight servers

compose.dev.yml

@@ -27,12 +27,24 @@ services:
     extra_hosts:
       - "host.docker.internal:host-gateway"
     environment:
+      - QUEUED=10
       - HEALTH=true
-      - MAX_CPU_PERCENT=90
-      - MAX_MEMORY_PERCENT=90
-      - QUEUED=5
-      - CONCURRENT=5
+      - CONCURRENT=20
       - TOKEN=1234567890
+    healthcheck:
+      test:
+        ["CMD", "curl", "-f", "http://localhost:3000/pressure?token=1234567890"]
+      interval: 10s
+      timeout: 5s
+      retries: 10
+
+  # As an alternative to browserless, you can also use a lightweight image like chromedp/headless-shell:latest
+  # See https://docs.rxresu.me/self-hosting/docker#alternative-printer-options for more information.
+  # chrome:
+  #   image: chromedp/headless-shell:latest
+  #   restart: unless-stopped
+  #   ports:
+  #     - "9222:9222"
 
   seaweedfs:
     image: chrislusf/seaweedfs:latest