add an alternative to browserless, for lightweight servers

compose.yml

@@ -17,22 +17,32 @@ services:
       timeout: 10s
       retries: 3
 
-  gotenberg:
-    image: gotenberg/gotenberg:8
+  browserless:
+    image: ghcr.io/browserless/chromium:latest
     restart: unless-stopped
+    ports:
+      - "4000:3000"
     extra_hosts:
       - "host.docker.internal:host-gateway"
     environment:
-      - WEBHOOK_DISABLE=true
-      - CHROMIUM_AUTO_START=true
-      - LIBREOFFICE_DISABLE_ROUTES=true
-      - PROMETHEUS_DISABLE_COLLECT=true
+      - QUEUED=10
+      - HEALTH=true
+      - CONCURRENT=20
+      - TOKEN=1234567890
     healthcheck:
-      test: ["CMD", "curl", "-f", "http://localhost:3000/health"]
-      start_period: 10s
-      interval: 30s
-      timeout: 10s
-      retries: 3
+      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
@@ -74,7 +84,8 @@ services:
       - APP_URL=http://localhost:3000
       - PRINTER_APP_URL=http://app:3000
       # Printer
-      - GOTENBERG_ENDPOINT=http://gotenberg:3000
+      - PRINTER_ENDPOINT=ws://browserless:3000?token=1234567890
+      # - PRINTER_ENDPOINT=http://chrome:9222 # Or, if you're using chromedp/headless-shell
       # Database
       - DATABASE_URL=postgresql://postgres:postgres@postgres:5432/postgres
       # Authentication
@@ -97,16 +108,7 @@ services:
       seaweedfs-create-bucket:
         condition: service_completed_successfully
     healthcheck:
-      test:
-        [
-          "CMD",
-          "curl",
-          "-f",
-          "http://localhost:3000/api/health",
-          "||",
-          "exit",
-          "1",
-        ]
+      test: ["CMD", "curl", "-f", "http://localhost:3000/api/health"]
       start_period: 10s
       interval: 30s
       timeout: 10s