Create Github workflow to build, publish docker container to registry

- Rename the build workflow to test workflow

.github/workflows/test.yml

@@ -0,0 +1,59 @@
+name: test
+
+on:
+  pull_request:
+    branches:
+      - 'master'
+  push:
+    branches:
+      - 'master'
+
+jobs:
+  test:
+    strategy:
+      matrix:
+        include:
+          - os: ubuntu-latest
+            label: linux-64
+            prefix: /usr/share/miniconda3/envs/test
+
+    name: ${{ matrix.label }}
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Install Environment Dependencies
+        shell: bash -l {0}
+        run: sudo apt-get -y install libimage-exiftool-perl
+
+      - name: Setup Mambaforge
+        uses: conda-incubator/setup-miniconda@v2
+        with:
+          miniforge-variant: Mambaforge
+          miniforge-version: latest
+          activate-environment: test
+          use-mamba: true
+          environment-file: config/environment.yml
+          python-version: 3.8
+          auto-activate-base: false
+          use-only-tar-bz2: true
+
+      - name: Set cache date
+        run: echo "DATE=$(date +'%Y%m%d')" >> $GITHUB_ENV
+
+      - uses: actions/cache@v2
+        with:
+          path: ${{ matrix.prefix }}
+          key: ${{ matrix.label }}-conda-${{ hashFiles('config/environment.yml') }}-${{ env.DATE }}-${{ env.CACHE_NUMBER }}
+        env:
+          # Increase this value to reset cache if environment.yml has not changed
+          CACHE_NUMBER: 0
+        id: cache
+
+      - name: Update environment
+        run: mamba env update -n test -f config/environment.yml
+        if: steps.cache.outputs.cache-hit != 'true'
+
+      - name: Run Pytest
+        shell: bash -l {0}        
+        run: python -m pytest