update docker image generation (#3)

* learning github actions

* pubish docker

* pubish docker

* fixt uses

* docker git action

* rm arm7

* more events and tags

* fixed yml file

* simplified workflow

* simplified workflow

* fix missing tags

* another fix to yml

* another fix to yml

* fixing yml

* another try

* tags

* remove ghaction-docker-meta

* separate actions for dev & master

* update docker generation on pulls

* fix repo name

Co-authored-by: Matthew R Kasun <mkasun@nusak.ca>

.github/workflows/publish-docker.yml

@@ -1,16 +1,19 @@
 name: Publish Docker
 
 on: 
-  push:
+  pull_request:
         branches: 
-        - 'arm-docker'
         - 'develop'
-        - 
+        - 'master' 
 jobs:
   docker:
     runs-on: ubuntu-latest
     steps:
-      -
+       - uses: FranzDiebold/github-env-vars-action@v2
+       - name: Set Environment Variables
+           run: |
+             echo "BUILD_VER=v0.0.$GITHUB_RUN_NUMBER" >> $GITHUB_ENV
+       -
         name: Checkout
         uses: actions/checkout@v2
       -
@@ -32,4 +35,7 @@ jobs:
           context: .
           platforms: linux/amd64, linux/arm64
           push: true
-          tags: nusak/netmaker:dev      
+          tags: |
+              nusak/netmaker:${{ env.CI_REF_NAME_SLUG }}
+              nusak/netmaker:${{ env.BUILD_VER }}
+