add unittest for external images

docker/compose/docker-compose.postgres-tika.yml

@@ -80,6 +80,13 @@ services:
     image: docker.io/gotenberg/gotenberg:7.4
     restart: unless-stopped
 
+    # The gotenberg chromium route is used to convert .eml files. We do not
+    # want to allow external content like tracking pixels or even javascript.
+    command:
+      - "gotenberg"
+      - "--chromium-disable-javascript=true"
+      - "--chromium-allow-list=file:///tmp/.*"
+
   tika:
     image: ghcr.io/paperless-ngx/tika:latest
     restart: unless-stopped

docker/compose/docker-compose.sqlite-tika.yml

@@ -68,6 +68,13 @@ services:
     image: docker.io/gotenberg/gotenberg:7.4
     restart: unless-stopped
 
+    # The gotenberg chromium route is used to convert .eml files. We do not
+    # want to allow external content like tracking pixels or even javascript.
+    command:
+      - "gotenberg"
+      - "--chromium-disable-javascript=true"
+      - "--chromium-allow-list=file:///tmp/.*"
+
   tika:
     image: ghcr.io/paperless-ngx/tika:latest
     restart: unless-stopped