diff --git a/.github/release.yml b/.github/release.yml
new file mode 100644
index 0000000..9d1e098
--- /dev/null
+++ b/.github/release.yml
@@ -0,0 +1,5 @@
+changelog:
+  exclude:
+    authors:
+      - dependabot
+      - pre-commit-ci
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
new file mode 100644
index 0000000..c168fd2
--- /dev/null
+++ b/.github/workflows/ci.yaml
@@ -0,0 +1,84 @@
+name: CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  detect-skip-ci-trigger:
+    name: "Detect CI Trigger: [skip-ci]"
+    if: |
+      github.repository == 'umr-lops/xsar'
+      && (
+          github.event_name == 'push' || github.event_name == 'pull_request'
+      )
+    runs-on: ubuntu-latest
+    outputs:
+      triggered: ${{ steps.detect-trigger.outputs.trigger-found }}
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 2
+      - uses: xarray-contrib/ci-trigger@v1
+        id: detect-trigger
+        with:
+          keyword: "[skip-ci]"
+
+  ci:
+    name: ${{ matrix.os }} py${{ matrix.python-version }}
+    runs-on: ${{ matrix.os }}
+    needs: detect-skip-ci-trigger
+
+    if: needs.detect-skip-ci-trigger.outputs.triggered == 'false'
+
+    defaults:
+      run:
+        shell: bash -l {0}
+
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.10", "3.11", "3.12"]
+        os: ["ubuntu-latest", "macos-latest", "windows-latest"]
+
+    steps:
+      - name: Checkout the repository
+        uses: actions/checkout@v4
+        with:
+          # need to fetch all tags to get a correct version
+          fetch-depth: 0 # fetch all branches and tags
+
+      - name: Setup environment variables
+        run: |
+          echo "TODAY=$(date +'%Y-%m-%d')" >> $GITHUB_ENV
+
+          echo "CONDA_ENV_FILE=ci/requirements/environment.yaml" >> $GITHUB_ENV
+
+      - name: Setup micromamba
+        uses: mamba-org/setup-micromamba@v1
+        with:
+          environment-file: ${{ env.CONDA_ENV_FILE }}
+          environment-name: xsar-tests
+          cache-environment: true
+          cache-environment-key: "${{runner.os}}-${{runner.arch}}-py${{matrix.python-version}}-${{env.TODAY}}-${{hashFiles(env.CONDA_ENV_FILE)}}"
+          create-args: >-
+            python=${{matrix.python-version}}
+
+      - name: Install xsar
+        run: |
+          python -m pip install --no-deps -e .
+
+      - name: Import xsar
+        run: |
+          python -c "import xsar"
+
+      - name: Run tests
+        run: |
+          python -m pytest --cov=xsar
diff --git a/.github/workflows/upstream-dev.yaml b/.github/workflows/upstream-dev.yaml
new file mode 100644
index 0000000..68ba1ad
--- /dev/null
+++ b/.github/workflows/upstream-dev.yaml
@@ -0,0 +1,98 @@
+name: upstream-dev CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+  schedule:
+    - cron: "0 18 * * 0" # Weekly "On Sundays at 18:00" UTC
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  detect-test-upstream-trigger:
+    name: "Detect CI Trigger: [test-upstream]"
+    if: github.event_name == 'push' || github.event_name == 'pull_request'
+    runs-on: ubuntu-latest
+    outputs:
+      triggered: ${{ steps.detect-trigger.outputs.trigger-found }}
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 2
+      - uses: xarray-contrib/ci-trigger@v1.2
+        id: detect-trigger
+        with:
+          keyword: "[test-upstream]"
+
+  upstream-dev:
+    name: upstream-dev
+    runs-on: ubuntu-latest
+    needs: detect-test-upstream-trigger
+
+    if: |
+      always()
+      && github.repository == 'umr-lops/xsar'
+      && (
+        github.event_name == 'schedule'
+        || github.event_name == 'workflow_dispatch'
+        || needs.detect-test-upstream-trigger.outputs.triggered == 'true'
+        || contains(github.event.pull_request.labels.*.name, 'run-upstream')
+      )
+
+    defaults:
+      run:
+        shell: bash -l {0}
+
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.12"]
+
+    steps:
+      - name: checkout the repository
+        uses: actions/checkout@v4
+        with:
+          # need to fetch all tags to get a correct version
+          fetch-depth: 0 # fetch all branches and tags
+
+      - name: set up conda environment
+        uses: mamba-org/setup-micromamba@v1
+        with:
+          environment-file: ci/requirements/environment.yaml
+          environment-name: tests
+          create-args: >-
+            python=${{ matrix.python-version }}
+            pytest-reportlog
+
+      - name: install upstream-dev dependencies
+        run: bash ci/install-upstream-dev.sh
+
+      - name: install the package
+        run: python -m pip install --no-deps -e .
+
+      - name: show versions
+        run: python -m pip list
+
+      - name: import
+        run: |
+          python -c 'import xsar'
+
+      - name: run tests
+        if: success()
+        id: status
+        run: |
+          python -m pytest -rf --report-log=pytest-log.jsonl
+
+      - name: report failures
+        if: |
+          failure()
+          && steps.tests.outcome == 'failure'
+          && github.event_name == 'schedule'
+        uses: xarray-contrib/issue-from-pytest-log@v1
+        with:
+          log-path: pytest-log.jsonl
diff --git a/ci/install-upstream-dev.sh b/ci/install-upstream-dev.sh
new file mode 100644
index 0000000..c56948c
--- /dev/null
+++ b/ci/install-upstream-dev.sh
@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+
+conda remove -y --force cytoolz numpy xarray toolz python-dateutil pandas
+python -m pip install \
+  -i https://pypi.anaconda.org/scientific-python-nightly-wheels/simple \
+  --no-deps \
+  --pre \
+  --upgrade \
+  numpy \
+  pandas \
+  xarray
+python -m pip install --upgrade \
+  git+https://github.com/pytoolz/toolz \
+  git+https://github.com/dateutil/dateutil
diff --git a/ci/requirements/docs.yaml b/ci/requirements/docs.yaml
new file mode 100644
index 0000000..4ca8ee3
--- /dev/null
+++ b/ci/requirements/docs.yaml
@@ -0,0 +1,8 @@
+name: xsar-docs
+channels:
+  - conda-forge
+dependencies:
+  - python=3.11
+  - sphinx>=4
+  - sphinx_book_theme
+  - ipython
diff --git a/ci/requirements/environment.yaml b/ci/requirements/environment.yaml
new file mode 100644
index 0000000..ec381cd
--- /dev/null
+++ b/ci/requirements/environment.yaml
@@ -0,0 +1,19 @@
+name: xsar-tests
+channels:
+  - conda-forge
+dependencies:
+  - ipython
+  - pre-commit
+  - pytest
+  - pytest-reportlog
+  - pytest-cov
+  - numpy
+  - toolz
+  - cytoolz
+  - python-dateutil
+  - construct
+  - fsspec
+  - xarray
+  - dask
+  - distributed
+  - aiohttp
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..02110c2
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,98 @@
+[project]
+name = "xsar"
+requires-python = ">= 3.10"
+license = { text = "MIT" }
+authors = [
+  { name = "Olivier Archer", email = "olivier.archer@ifremer.fr" },
+]
+description = "Python xarray library to use Level-1 GRD Synthetic Aperture Radar products"
+readme = "README.md"
+keywords = [
+  "xarray",
+  "earth-observation",
+  "remote-sensing",
+  "satellite-imagery",
+  "Sentinel-1",
+  "RCM",
+  "RadarSat2",
+  "sar",
+  "synthetic-aperture-radar",
+]
+classifiers = [
+  "Development Status :: 4 - Beta",
+  "License :: OSI Approved :: MIT License",
+  "Operating System :: OS Independent",
+  "Programming Language :: Python",
+  "Programming Language :: Python :: 3 :: Only",
+  "Programming Language :: Python :: 3.11",
+  "Programming Language :: Python :: 3.12",
+  "Intended Audience :: Science/Research",
+  "Topic :: Scientific/Engineering",
+]
+dynamic = ["version"]
+dependencies = [
+  'GDAL',
+  'dask[array]',
+  'distributed',
+  "xarray>=2024.10.0",
+  'affine',
+  'rasterio',
+  'cartopy',
+  'fiona',
+  'pyproj',
+  'numpy',
+  'scipy',
+  'shapely',
+  'geopandas',
+  'fsspec',
+  'aiohttp',
+  'pytz',
+  'psutil',
+  'jinja2',
+  'rioxarray',
+  'lxml',
+]
+[project.optional-dependencies]
+RS2 = ["xradarsat2"]
+RCM = ["xarray-safe-rcm"]
+S1 = ["xarray-safe-s1"]
+
+
+
+[project.urls]
+homepage = "https://github.com/umr-lops/xsar.readthedocs.io"
+documentation = "https://xsar.readthedocs.io"
+repository = "https://github.com/umr-lops/xsar"
+changelog = "https://xsar.readthedocs.io/en/latest/changelog.html"
+
+[project.scripts]
+#xsar = "xsar.xarray_backends:XsarXarrayBackend"
+
+[build-system]
+requires = ["setuptools>=64.0", "setuptools-scm"]
+build-backend = "setuptools.build_meta"
+
+[tool.setuptools]
+packages = ["xsar"]
+package-dir = {"" = "src"}
+
+[tool.setuptools_scm]
+fallback_version = "999"
+
+[tool.isort]
+profile = "black"
+skip_gitignore = true
+float_to_top = true
+default_section = "THIRDPARTY"
+known_first_party = "xsar"
+
+[tool.black]
+line-length = 100
+
+[tool.coverage.run]
+source = ["xsar"]
+branch = true
+
+[tool.coverage.report]
+show_missing = true
+exclude_lines = ["pragma: no cover", "if TYPE_CHECKING"]
diff --git a/setup.py b/setup.py
deleted file mode 100644
index 7b5bc0f..0000000
--- a/setup.py
+++ /dev/null
@@ -1,50 +0,0 @@
-from setuptools import setup, find_packages
-import glob
-
-setup(
-    name='xsar',
-    package_dir={'': 'src'},
-    packages=find_packages('src'),
-    scripts=glob.glob('src/scripts/*.py'),
-    url='https://github.com/umr-lops/xsar',
-    use_scm_version=True,
-    setup_requires=['setuptools_scm'],
-    include_package_data=True,
-    install_requires=[
-        'GDAL',
-        'dask[array]',
-        'distributed',
-        "xarray>=2024.10.0",
-        'affine',
-        'rasterio',
-        'cartopy',
-        'fiona',
-        'pyproj',
-        'numpy',
-        'scipy',
-        'shapely',
-        'geopandas',
-        'fsspec',
-        'aiohttp',
-        'pytz',
-        'psutil',
-        'jinja2',
-        'rioxarray',
-        'lxml'
-    ],
-    extras_require={
-        "RS2": ["xradarsat2"],
-        "RCM": ["xarray-safe-rcm"],
-        "S1": ["xarray-safe-s1"]
-    },
-    entry_points={
-        "xarray.backends": ["xsar=xsar.xarray_backends:XsarXarrayBackend"]
-    },
-    license='MIT',
-    author='Olivier Archer, Alexandre Levieux, Antoine Grouazel',
-    author_email='Olivier.Archer@ifremer.fr, Alexandre.Levieux@gmail.com, Antoine.Grouazel@ifremer.fr',
-    description='xarray L1 SAR mapper',
-    summary='Python xarray library to use Level-1 GRD SAR products',
-    long_description_content_type='text/x-rst',
-    long_description = 'Python xarray library to use Level-1 GRD Synthetic Aperture Radar products'
-)
diff --git a/src/xsar/__init__.py b/src/xsar/__init__.py
index 5e72da5..c5071db 100644
--- a/src/xsar/__init__.py
+++ b/src/xsar/__init__.py
@@ -21,3 +21,14 @@
 from xsar.base_dataset import BaseDataset
 from xsar.base_meta import BaseMeta
 from xsar.xsar import open_dataset,open_datatree,product_info
+
+
+import xsar
+try:
+    from importlib import metadata
+except ImportError: # for Python<3.8
+    import importlib_metadata as metadata
+try:
+    __version__ = metadata.version("xsar")
+except Exception:
+    __version__ = "999"