feat(dockerfile): added option to build images from dockerfiles

Signed-off-by: Petu Eusebiu <peusebiu@cisco.com>

.github/workflows/ci.yaml

@@ -11,13 +11,22 @@ jobs:
     runs-on: ubuntu-latest
     services:
       registry:
-        image: registry:2
+        image: ghcr.io/project-zot/zot-linux-amd64:latest
         ports:
           - 5000:5000
     name: Test stacker-build-push-action
     steps:
       - uses: actions/checkout@v2
 
+      - name: Run stacker-build with a Dockerfile
+        uses: ./
+        with:
+          dockerfile: 'test/Dockerfile'
+          tags: v1 latest
+          url: docker://localhost:5000/four/app
+          layer-type: 'tar squashfs'
+          skip-tls: true
+
       - name: Run stacker-build with all build inputs
         uses: ./
         with:
@@ -53,7 +62,7 @@ jobs:
         with:
           file: 'test/stacker_wo_subs.yaml'
           tags: v1 latest
-          url: docker://localhost:5000/name/app
+          url: docker://localhost:5000/one/app
           skip-tls: true
 
       - name: Run stacker-build with push, tags and build-args
@@ -65,7 +74,7 @@ jobs:
             SUB2=VAR2
             SUB3=VAR3
           tags: v1 latest
-          url: docker://localhost:5000/name/app
+          url: docker://localhost:5000/two/app
           skip-tls: true
 
       - name: Run stacker-build with push, tags, build-args and layer-type
@@ -77,6 +86,15 @@ jobs:
             SUB2=VAR2
             SUB3=VAR3
           tags: v1 latest
-          url: docker://localhost:5000/name/app
+          url: docker://localhost:5000/three/app
+          layer-type: 'tar squashfs'
+          skip-tls: true
+
+      - name: Run stacker recursive-build
+        uses: ./
+        with:
+          dir: 'test/builds'
+          tags: v2
+          url: docker://localhost:5000/five/app
           layer-type: 'tar squashfs'
           skip-tls: true

README.md

@@ -12,22 +12,25 @@ For more information about stacker tool see: https://github.com/project-stacker/
 
 ## Action Inputs
 
-<a id="dockerfile-build-inputs"></a>
+<a id="build-inputs"></a>
 
 | Input Name | Type |  Description | Default |
 | ---------- | ---- |----------- | ------- |
-| file | string | the yaml file to be built as an OCI image, example: [stacker.yaml](./test/stacker.yaml)  | stacker.yaml
+| file | string | path to yaml file to be built as an OCI image, example: [stacker.yaml](./test/stacker.yaml)  | stacker.yaml
+| dockerfile| string | path to dockerfile to be build as an OCI image(instead of stacker.yaml) | None 
 | cache-dir | string | stacker's cache directory | ./.stacker
 | dir  | string | directory under which to recursive search for stackerfiles to build, use either file or dir | None
 | file-pattern| string | regex pattern to use when searching for stackerfile paths, used only with dir arg | \\/stacker.yaml$
 | layer-type | list | output layer type (supported values: tar, squashfs), ca be both separated by whitespace | tar
-| build-args | list | the list of build-time arguments (subtitutes) separated by newline, see [stacker.yaml doc](https://github.com/project-stacker/stacker/blob/master/doc/stacker_yaml.md) | None
+| build-args | list | the list of build-time arguments (subtitutes) separated by newline FOO=bar format, see [stacker.yaml doc](https://github.com/project-stacker/stacker/blob/master/doc/stacker_yaml.md) | None
+| build-args-file | string | path to yaml file where build-args are set 'FOO: bar' yaml format | None
 | url | string | remote OCI registry + repo name eg: docker://ghcr.io/project-stacker/ | None
 | tags | list | one or more tags to give the new image, separated by whitespace | None
 | username | string | used to login to registry | None
 | password | string | used to login to registry | None
 | skip-tls | bool | used with unsecure (http) registries | false
 | token    | string | github token used to authenticate against a repository for Git context | ${{ github.token }}
+| version | string | stacker version, see [stacker releases](https://github.com/project-stacker/stacker/releases) | v1.0.0-rc8
 
 
 
@@ -93,3 +96,30 @@ Build and push example to localhost:
 The above action will build test/stacker.yaml and push it to
 1. docker://localhost:5000/test:test
 
+
+Build and push a Dockerfile:
+
+```
+- name: Run stacker-build with a Dockerfile
+  uses: ./
+  with:
+    dockerfile: 'test/Dockerfile.yaml'
+    tags: v1 latest
+    url: docker://localhost:5000/four/app
+    layer-type: 'tar squashfs'
+    skip-tls: true
+```
+
+
+Build recursively all stacker files under dir/ and push all:
+
+```
+- name: Run stacker recursive-build
+  uses: ./
+  with:
+    dir: 'test/builds'
+    tags: v2
+    url: docker://localhost:5000/five/app
+    layer-type: 'tar squashfs'
+    skip-tls: true
+```

action.yml

@@ -5,19 +5,22 @@ branding:
   color: 'blue'
 inputs:
   version:
-    description: 'Which stacker version to use'
+    description: 'Which stacker version to use, eg v0.40.3 see: https://github.com/project-stacker/stacker/releases'
     required: false
-    default: 'latest'
+    default: 'v1.0.0-rc8'
   file:
     description: 'Which stacker file to build'
     required: false
     default: 'stacker.yaml'
+  dockerfile:
+    description: 'Which dockerfile to build(will be converted to stacker.yaml)'
+    required: false
   cache-dir:
     description: "stacker's cache directory"
     required: false
     default: '.stacker'
   dir:
-    description: 'directory under which to recursive search for stackerfiles to build'
+    description: 'directory under which to recursively search for stackerfiles to build'
     required: false
   file-pattern:
     description: 'regex pattern to use when searching for stackerfile paths, used with dir arg'