adding CI/CD build workflows

.github/workflows/build-test.yml

@@ -0,0 +1,24 @@
+name: CI build test workflow
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v4
+    - name: Set up QEMU
+      uses: docker/setup-qemu-action@v3
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v3
+    - name: Build
+      uses: docker/build-push-action@v5
+      with:
+        context: . 
+        platforms: linux/amd64
+        tags: alexanderrichards/cvmfs:1.0.0

.github/workflows/release-build.yml

@@ -0,0 +1,28 @@
+name: CD release build and publish
+
+on:
+  release:
+    types: [released]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      - name: Build
+        uses: docker/build-push-action@v5
+        with:
+          push: true
+          context: . 
+          platforms: linux/amd64
+          tags: alexanderrichards/cvmfs:${{ github.event.release.tag_name }},alexanderrichards/cvmfs:latest