Added readme and fixed credential refral

.gitea/workflows/simple-container.yaml

@@ -4,24 +4,30 @@ on:
   workflow_call:
     inputs:
       dockerfile:
+        description: "Dockerfile to use for the build"
         required: true
         type: string
         default: Dockerfile
       git_user:
-        require: true
+        description: "Git user to use for checkout and the container registry"
+        required: true
         type: string
         default: campenbe
       package-name:
+        description: "Name of the package to build"
         required: true
         type: string
       package-label:
+        description: "Label to use for the package"
         required: true
         type: string
       builder-image:
+        description: "Container image to use for the build" 
         required: false
         type: string
         default: gitea.ampenberger.com/campenbe/img-builder:3.21-1.24
       version:
+        description: "Version string passed to the Docker build as build-arg"
         required: false
         type: string
         default: development
@@ -45,7 +51,7 @@ jobs:
       container:
         image: ${{inputs.builder-image}}
         credentials:
-          username: campenbe
+          username: ${{inputs.git_user}}
           password: ${{secrets.PASSWORD}}
 
       steps:
@@ -65,7 +71,7 @@ jobs:
 
       - name: Build container
         run: |
-          buildah build -f ${{inputs.dockerfile}} --build-arg GIT_TOKEN=${{secrets.GIT_TOKEN}} --build-arg VERSION=${{inputs.version}} -t gitea.ampenberger.com/campenbe/${PACKAGE_NAME}:${LABEL}
+          buildah build -f ${{inputs.dockerfile}} --build-arg GIT_TOKEN=${{secrets.GIT_TOKEN}} --build-arg VERSION=${{inputs.version}} -t gitea.ampenberger.com/${{inputs.git_user}}/${PACKAGE_NAME}:${LABEL}
           
           echo "Built ${PACKAGE_NAME}:${LABEL}"
           buildah images