Cache mamba environment

.github/workflows/demo.yml

@@ -0,0 +1,27 @@
+name: Fail demo
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: ['*']
+
+defaults:
+  run:
+    shell: bash -leo pipefail {0}
+
+jobs:
+  build:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+
+    steps:
+      - uses: actions/checkout@v4
+      - uses: mamba-org/setup-micromamba@v1
+        with:
+          init-shell: bash
+          environment-file: ci/requirements-latest.yml
+      - run: mamba list

.github/workflows/docs.yml

@@ -8,7 +8,7 @@ on:
 
 defaults:
   run:
-    shell: bash -l {0}
+    shell: bash -leo pipefail {0}
 
 jobs:
   build:
@@ -18,14 +18,11 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Setup Conda Environment
-        uses: conda-incubator/setup-miniconda@v2
+        uses: mamba-org/setup-micromamba@v1
         with:
-          miniforge-variant: Mambaforge
-          miniforge-version: latest
-          use-mamba: true
-          python-version: 3.8
+          init-shell: bash
           environment-file: ci/requirements-docs.yml
-          activate-environment: TEMPLATE-docs
+          cache-environment: true
 
       - name: Show conda options
         run: conda config --show

.github/workflows/pytest.yml

@@ -8,7 +8,7 @@ on:
 
 defaults:
   run:
-    shell: bash -l {0}
+    shell: bash -leo pipefail {0}
 
 jobs:
   build:
@@ -52,14 +52,12 @@ jobs:
           fetch-depth: 0
 
       - name: Setup Conda Environment
-        uses: conda-incubator/setup-miniconda@v2
+        uses: mamba-org/setup-micromamba@v1
         with:
-          miniforge-variant: Mambaforge
-          miniforge-version: latest
-          use-mamba: true
-          python-version: ${{ matrix.python-version }}
+          init-shell: bash
           environment-file: ci/requirements-${{ matrix.requirements }}.yml
-          activate-environment: TEMPLATE
+          create-args: python=${{ matrix.python-version }}
+          cache-environment: true
 
       - name: Show conda options
         run: conda config --show

README.md

@@ -10,7 +10,8 @@ github. It includes:
   absolufy-imports and mypy, encapsulated by pre-commit
 - Sphinx documentation framework
 - Integration with github workflows, codecov.io, and readthedocs
-- CI tests against multiple versions of Python (Anaconda distribution) and on multiple
+- Cached conda environments
+- CI tests against multiple versions of Python and on multiple
   OSs (Linux, Windows, and MacOS)
 - Explicit tests for minimum supported dependencies versions
 - Automated versioning with setuptools-scm