feat: allow custom image name

action.yaml

@@ -2,9 +2,9 @@ inputs:
   dockerfile:
     description: Dockerfile path
     default: ./Dockerfile
-  tag:
-    description: Image tag
-    default: ${{ gitea.ref_name }}
+  image:
+    description: Image name and tag
+    default: ${{ gitea.repository }}:${{ gitea.ref_name }}
   username:
     description: Registry username
     default: ${{ gitea.repository_owner }}

build.sh

@@ -16,4 +16,4 @@ REGISTRY="$(echo "$GITHUB_SERVER_URL" | sed 's .*://  ')"
     --cache=true \
     --context "${INPUT_DOCKERFILE%/*}" \
     --dockerfile "$INPUT_DOCKERFILE" \
-    --destination "$REGISTRY/$GITHUB_REPOSITORY:$INPUT_TAG"
+    --destination "$REGISTRY/$INPUT_IMAGE"