允许使用项目的Dockerfile

action.yml

@@ -1,6 +1,11 @@
 # action.yml
 name: 'build docker image and push to code'
 description: 'build docker image and push to simcu code'
+inputs:
+  haveDockerfile:
+    description: 'If a Dockerfile is already present, skip creation'
+    required: false
+    default: 'false'
 runs:
   using: 'composite'
   steps:
@@ -10,6 +15,7 @@ runs:
       args: dotnet publish -r linux-x64 -c Release --self-contained -o dist -p:AssemblyName=App
 
   - name: create dockerfile
+    if: ${{ inputs.haveDockerfile }} != 'true'
     uses: docker://ubuntu:latest
     with:
       entrypoint: "/bin/bash"