Automatically push docker containers (#99)

* automatically push docker containers

* fix branchane,

.github/workflows/docker-branch-build.yml

@@ -0,0 +1,24 @@
+name: docker-branch-build
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: extract_branch
+      shell: bash
+      run: echo "##[set-output name=branch;]$(echo ${GITHUB_REF#refs/heads/})"
+      id: extract_branch
+    - name: Login to Docker Hub
+      uses: docker/login-action@v3
+      with:
+        username: degicadev
+        password: ${{ secrets.DOCKERHUB_PAT }}
+    - name: setup
+      run: |-
+        docker build . -t degicadev/kaiser:branch-${{ steps.extract_branch.outputs.branch }}
+        docker push degicadev/kaiser:branch-${{ steps.extract_branch.outputs.branch }}
+
+'on':
+  push:
+    branches:
+    - '*'

.github/workflows/docker.yml

@@ -0,0 +1,24 @@
+---
+name: docker
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    -
+      name: Login to Docker Hub
+      uses: docker/login-action@v3
+      with:
+        username: degicadev
+        password: ${{ secrets.DOCKERHUB_PAT }}
+    - name: setup
+      run: |-
+        docker build . -t degicadev/kaiser:latest
+        docker push degicadev/kaiser:latest
+        docker build . -t degicadev/kaiser:`bin/version`
+        docker push degicadev/kaiser:`bin/version`
+
+'on':
+  push:
+    branches:
+    - 'master'

README.md

@@ -38,14 +38,14 @@ docker build -t degica/kaiser .
 And then add the following line to your `.bashrc` or `.bash_profile`
 
 ```
-alias kaiser='docker run --rm -ti -v /var/run/docker.sock:/var/run/docker.sock -v $HOME/.kaiser:/root/.kaiser -v `pwd`:`pwd` -e CONTEXT_DIR="`pwd`" degica/kaiser'
+alias kaiser='docker run --pull=always --rm -ti -v /var/run/docker.sock:/var/run/docker.sock -v $HOME/.kaiser:/root/.kaiser -v `pwd`:`pwd` -e CONTEXT_DIR="`pwd`" degicadev/kaiser'
 ```
 
 Or if you use fish
 
 ```
 function kaiser
-  docker run --rm -ti -v /var/run/docker.sock:/var/run/docker.sock -v $HOME/.kaiser:/root/.kaiser -v (pwd):(pwd) -e CONTEXT_DIR=(pwd) degica/kaiser $argv
+  docker run --pull=always --rm -ti -v /var/run/docker.sock:/var/run/docker.sock -v $HOME/.kaiser:/root/.kaiser -v (pwd):(pwd) -e CONTEXT_DIR=(pwd) degicadev/kaiser $argv
 end
 ```