Split docker and deploy workflows to avoid issues with conditionals

.github/workflows/deploy.yml

@@ -0,0 +1,22 @@
+name: Docker
+
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+
+      - uses: actions/checkout@v1
+
+      - name: Build container
+        run: docker build --tag docker.pkg.github.com/${GITHUB_REPOSITORY,,}/website:latest .
+
+      - name: Log into GitHub Docker Registry
+        run: echo ${{ secrets.GITHUB_TOKEN }} | docker login docker.pkg.github.com -u ${GITHUB_REPOSITORY%/*} --password-stdin
+
+      - name: Push the Docker container
+        run: docker push docker.pkg.github.com/${GITHUB_REPOSITORY,,}/website:latest

.github/workflows/docker.yml

@@ -10,12 +10,4 @@ jobs:
       - uses: actions/checkout@v1
 
       - name: Build container
-        run: docker build --tag docker.pkg.github.com/${GITHUB_REPOSITORY,,}/website:latest .
+        run: docker build .
-
-      - name: Log into GitHub Docker Registry
-        run: echo ${{ secrets.GITHUB_TOKEN }} | docker login docker.pkg.github.com -u ${GITHUB_REPOSITORY%/*} --password-stdin
-        if: github.ref == 'master'
-
-      - name: Push the Docker container
-        run: docker push docker.pkg.github.com/${GITHUB_REPOSITORY,,}/website:latest
-        if: github.ref == 'master'