Enhancements to Docker publish flow (freechipsproject#136)

* Fix Docker Hub organization name
* Build Docker image in CI
* Upgrade to docker/build-push-action@v2

Author: jackkoenig

.github/workflows/build-push-docker-image.yaml

@@ -0,0 +1,31 @@
+name: Publish Docker image
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+
+jobs:
+  docker:
+    name: Build Docker Image and Publish (only on push)
+    runs-on: ubuntu-latest
+    steps:
+
+      - name: Check out the repo
+        uses: actions/checkout@v2
+
+      # Steps required by docker/build-push-action@v2
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+      - name: Login to DockerHub
+        uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_ACCESS_TOKEN }}
+
+      - name: Build (always) and Publish (only on push)
+        uses: docker/build-push-action@v2
+        with:
+          tags: ucbbar/chisel-bootcamp:latest
+          push: ${{ github.event_name == 'push' }}

.github/workflows/docker.yml

@@ -17,7 +17,7 @@ Make sure you have Docker [installed](https://docs.docker.com/get-docker/) on yo
 Run the following command:
 
 ```
-docker run -it --rm -p 8888:8888 ucb-bar/chisel-bootcamp
+docker run -it --rm -p 8888:8888 ucbbar/chisel-bootcamp
 ```
 
 This will download a Dokcer image for the bootcamp and run it. The output will end in the following message: