Trigger CD automatically with updates to Docker image

5etools-docker/.github/workflows/cd.yml

@@ -5,10 +5,16 @@ name: CD
 # Controls when the workflow will run
 on:
   # Triggers the workflow on push or pull request events but only for the main branch
-  #push:
-  #  branches: [ main ]
-  #pull_request:
-  #  branches: [ main ]
+  push:
+    branches: [ main ]
+    paths-ignore: # don't run this workflow if no changes have been made to the docker image
+      - '.github/**'
+      - 'docker-compose.yml'
+  pull_request:
+    branches: [ main ]
+    paths-ignore: # don't run this workflow if no changes have been made to the docker image
+      - '.github/**'
+      - 'docker-compose.yml'
 
   # Allows you to run this workflow manually from the Actions tab
   workflow_dispatch: