feat: docker cache

Dockerfile

@@ -0,0 +1,3 @@
+FROM gcr.io/kaniko-project/executor:debug
+COPY build.sh /usr/local/bin/
+ENTRYPOINT ["build.sh"]

action.yaml

@@ -16,14 +16,5 @@ inputs:
     required: true
 
 runs:
-  using: composite
-  steps:
-    - name: Build
-      run: ${{ gitea.action_path }}/build.sh
-      env:
-        - ACTION_DOCKERFILE=${{ inputs.dockerfile }}
-        - ACTION_TAG=${{ inputs.tag }}
-        - ACTION_REGISTRY=${{ gitea.server_url }}
-        - ACTION_IMAGE=${{ gitea.repository }}
-        - ACTION_USERNAME=${{ inputs.username }}
-        - ACTION_PASSWORD=${{ inputs.password }}
+  using: docker
+  image: Dockerfile

build.sh

@@ -1,25 +1,19 @@
-#!/bin/bash -e
+#!/bin/sh -ex
 
-exec 3<> /tmp/kaniko && rm /tmp/kaniko
-
-cat <<EOF >&3
+cat <<EOF > /kaniko/.docker/config.json
 {
   "auths": {
-    "$ACTION_REGISTRY": {
-      "username": "$ACTION_USERNAME",
-      "password": "$ACTION_PASSWORD"
+    "$GITHUB_SERVER_URL": {
+      "username": "$INPUT_USERNAME",
+      "password": "$INPUT_PASSWORD"
     }
   }
 }
 EOF
 
-REGISTRY="${ACTION_REGISTRY/https:\/\/}"
-docker run --rm  \
-    -v "$PWD:$PWD:ro" \
-    -v "$HOME/.cache/kaniko:/cache" \
-    -v "/proc/$$/fd/3:/kaniko/.docker/config.json:ro" \
-    gcr.io/kaniko-project/executor:latest \
-        --cache true \
-        --context "${ACTION_DOCKERFILE%/*}" \
-        --dockerfile "$ACTION_DOCKERFILE" \
-        --destination "$REGISTRY/$ACTION_IMAGE:$ACTION_TAG"
+REGISTRY="$(echo "$GITHUB_SERVER_URL" | sed 's .*://  ')"
+/kaniko/executor \
+    --cache=true \
+    --context "${INPUT_DOCKERFILE%/*}" \
+    --dockerfile "$INPUT_DOCKERFILE" \
+    --destination "$REGISTRY/$GITHUB_REPOSITORY:$INPUT_TAG"