⚗️ Try conda-pack pipeline

.github/workflows/conda-pack.yaml

@@ -0,0 +1,51 @@
+name: Build conda environments
+
+on: [push]
+
+jobs:
+  build:
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+    runs-on: ${{ matrix.os }}
+
+    steps:
+    - name: Set up variables
+      id: vars
+      run: |
+        echo ::set-output name=filename::wake-${{ runner.os }}-${{ runner.arch }}.tar.gz
+    - uses: actions/checkout@v2
+    - uses: conda-incubator/setup-miniconda@v3
+      with:
+        activate-environment: wake
+        auto-update-conda: true
+        python-version: "3.10"
+    - name: Install dependencies
+      shell: bash -el {0}
+      run: |
+        python -m pip install .
+        conda install -c conda-forge conda-pack -y
+    - name: Pack conda environment
+      shell: bash -el {0}
+      run: |
+        conda-pack -n wake -o ${{ steps.vars.outputs.filename }}
+    - name: Generate checksum Linux & Windows
+      if: runner.os != 'macOS'
+      run: |
+        sha256sum ${{ steps.vars.outputs.filename }} > ${{ steps.vars.outputs.filename }}.sha256
+    - name: Generate checksum MacOS
+      if: runner.os == 'macOS'
+      run: |
+        shasum -a 256 ${{ steps.vars.outputs.filename }} > ${{ steps.vars.outputs.filename }}.sha256
+    - name: Generate signature
+      run: |
+        echo "${{ secrets.CONDA_PRIVATE_KEY }}" > key.pem
+        openssl dgst -sha256 -sign key.pem -out ${{ steps.vars.outputs.filename }}.sha256.sig ${{ steps.vars.outputs.filename }}.sha256
+    - name: Upload files
+      uses: actions/upload-artifact@v2
+      with:
+        name: wake-${{ runner.os }}-${{ runner.arch }}
+        paths: |
+          ${{ steps.vars.outputs.filename }}
+          ${{ steps.vars.outputs.filename }}.sha256
+          ${{ steps.vars.outputs.filename }}.sha256.sig