Split up dockerhub push workflows, don't limit aws to a branch

.github/workflows/awsfulltest.yml

@@ -5,8 +5,7 @@ name: nf-core AWS full size tests
 
 on:
   workflow_run:
-    workflows: ["nf-core Docker push"]
-    branches: [master]
+    workflows: ["nf-core Docker push (release)"]
     types: [completed]
 
 jobs:

.github/workflows/push_dockerhub_dev.yml

@@ -0,0 +1,28 @@
+name: nf-core Docker push (dev)
+# This builds the docker image and pushes it to DockerHub
+# Runs on nf-core repo releases and push event to 'dev' branch (PR merges)
+on:
+  push:
+    branches:
+      - dev
+
+jobs:
+  push_dockerhub:
+    name: Push new dev Docker image to Docker Hub
+    runs-on: ubuntu-latest
+    # Only run for the nf-core repo, for releases and merged PRs
+    if: ${{ github.repository == 'nf-core/testpipeline' }}
+    env:
+      DOCKERHUB_USERNAME: ${{ secrets.DOCKERHUB_USERNAME }}
+      DOCKERHUB_PASS: ${{ secrets.DOCKERHUB_PASS }}
+    steps:
+      - name: Check out pipeline code
+        uses: actions/checkout@v2
+
+      - name: Build new docker image
+        run: docker build --no-cache . -t nfcore/testpipeline:dev
+
+      - name: Push Docker image to DockerHub (dev)
+        run: |
+          echo "$DOCKERHUB_PASS" | docker login -u "$DOCKERHUB_USERNAME" --password-stdin
+          docker push nfcore/testpipeline:dev

.github/workflows/push_dockerhub.yml → .github/workflows/push_dockerhub_release.yml

@@ -1,10 +1,7 @@
-name: nf-core Docker push
+name: nf-core Docker push (release)
 # This builds the docker image and pushes it to DockerHub
 # Runs on nf-core repo releases and push event to 'dev' branch (PR merges)
 on:
-  push:
-    branches:
-      - dev
   release:
     types: [published]
 
@@ -24,13 +21,6 @@ jobs:
       - name: Build new docker image
         run: docker build --no-cache . -t nfcore/testpipeline:latest
 
-      - name: Push Docker image to DockerHub (dev)
-        if: ${{ github.event_name == 'push' }}
-        run: |
-          echo "$DOCKERHUB_PASS" | docker login -u "$DOCKERHUB_USERNAME" --password-stdin
-          docker tag nfcore/testpipeline:latest nfcore/testpipeline:dev
-          docker push nfcore/testpipeline:dev
-
       - name: Push Docker image to DockerHub (release)
         if: ${{ github.event_name == 'release' }}
         run: |