Fix comments from Stas: DDEV_UID/GID.

config.diffy.yaml

@@ -1,4 +1,4 @@
 hooks:
   post-start:
-    - exec: cd /mnt/ddev_config/diffy-worker-main && npm install
+    - exec: bash -ci 'worker=/mnt/ddev_config/diffy-worker-main; ( [ ! -d $worker/node_modules ] && npm install --prefix $worker && chown -R $DDEV_UID:$DDEV_GID $worker/node_modules ) || rm -rf $worker/node_modules'
       service: diffy

docker-compose.diffy.yaml

@@ -4,14 +4,15 @@ services:
     container_name: ddev-${DDEV_SITENAME}-diffy
     image: diffywebsite2/screenshot-worker:0.0.1
     command: tail -f /dev/null
-    networks: [default, ddev_default]
     restart: "no"
     # These labels ensure this service is discoverable by ddev.
     labels:
       com.ddev.site-name: ${DDEV_SITENAME}
       com.ddev.approot: $DDEV_APPROOT
     environment:
       - DDEV_HOSTNAME
+      - DDEV_UID
+      - DDEV_GID
     volumes:
     - ".:/mnt/ddev_config"
     - "ddev-global-cache:/mnt/ddev-global-cache"

install.yaml

@@ -55,7 +55,7 @@ global_files:
 post_install_actions:
   - wget https://github.com/DiffyWebsite/diffy-worker/archive/refs/heads/main.zip
   - unzip main.zip
-  - rm main.zip
+  - rm -f main.zip
   - |
     #ddev-nodisplay
     #ddev-description:Create .env file