diff --git a/.circleci/config.yml b/.circleci/config.yml
deleted file mode 100644
index 75a82c6e..00000000
--- a/.circleci/config.yml
+++ /dev/null
@@ -1,128 +0,0 @@
-version: 2
-jobs:
-  checkout_code:
-    docker:
-      - image: condaforge/mambaforge
-    working_directory: ~/repo
-    steps:
-      - checkout
-      - run: git submodule sync
-      - run: git submodule update --init
-      - save_cache:
-          key: v1-repo-{{ .Environment.CIRCLE_SHA1 }}
-          paths:
-            - ~/repo
-
-  install_conda_env:
-    environment:
-      TIKTORCH_ENV_NAME: tiktorch-server-env
-      TIKTORCH_ENV_PREFIX: /opt/conda/envs/tiktorch-server-env
-    docker:
-      - image: condaforge/mambaforge
-    working_directory: ~/repo
-    steps:
-      - restore_cache:
-          keys:
-            - v1-repo-{{ .Environment.CIRCLE_SHA1 }}
-      - restore_cache:
-          keys:
-            - v11-dependencies-{{ checksum "environment.yml" }}
-
-      - run: conda config --set channel_priority strict
-      - run: mamba update -n base -c conda-forge --update-all
-      - run: mamba install -c conda-forge conda-build make boa
-      - run: |
-          if [ ! -d ${TIKTORCH_ENV_PREFIX} ]; then
-              echo "Creating new environment ${TIKTORCH_ENV_NAME}"
-              make devenv
-          fi
-
-      - save_cache:
-          paths:
-            - /opt/conda/envs
-          key: v11-dependencies-{{ checksum "environment.yml" }}
-
-  pre_commit_check:
-    docker:
-      - image: condaforge/mambaforge
-    working_directory: ~/repo
-    steps:
-      - restore_cache:
-          keys:
-            - v1-repo-{{ .Environment.CIRCLE_SHA1 }}
-      - restore_cache:
-          keys:
-            - v11-dependencies-{{ checksum "environment.yml" }}
-
-      - run:
-          name: run pre-commit
-          command: |
-            . /opt/conda/etc/profile.d/conda.sh
-            conda activate tiktorch-server-env
-            pre-commit run --from-ref origin/${CIRCLE_BRANCH} --to-ref ${CIRCLE_BRANCH}
-
-  tests:
-    docker:
-      - image: condaforge/mambaforge
-    working_directory: ~/repo
-    steps:
-      - restore_cache:
-          keys:
-            - v1-repo-{{ .Environment.CIRCLE_SHA1 }}
-      - restore_cache:
-          keys:
-            - v11-dependencies-{{ checksum "environment.yml" }}
-
-      - run:
-          name: run tests
-          command: |
-            . /opt/conda/etc/profile.d/conda.sh
-            conda activate tiktorch-server-env
-            conda list
-            python -m pytest -v
-
-  build_conda_packages:
-    docker:
-      - image: condaforge/mambaforge
-    working_directory: ~/repo
-    steps:
-      - restore_cache:
-          keys:
-            - v1-repo-{{ .Environment.CIRCLE_SHA1 }}
-
-      - run: mamba config --set channel_priority strict
-      - run: mamba install -c conda-forge conda-build anaconda-client boa
-      - run:
-          name: build packages
-          command: |
-            . /opt/conda/etc/profile.d/conda.sh
-            ./scripts/conda_build.sh conda-recipe
-
-
-workflows:
-  version: 2
-  build:
-    jobs:
-      - checkout_code:
-          filters:
-            tags:
-              only: /^v.*/
-      - install_conda_env:
-          filters:
-            tags:
-              only: /^v.*/
-          requires:
-            - checkout_code
-      - tests:
-          requires:
-            - install_conda_env
-      - pre_commit_check:
-          requires:
-            - install_conda_env
-      - build_conda_packages:
-          context: conda-upload
-          filters:
-            tags:
-              only: /^v.*/
-            branches:
-              ignore: /.*/
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 00000000..ec9ee104
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,168 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  pre_commit_check:
+    name: Pre-Commit Check
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        shell: bash -l {0}
+    env:
+      BRANCH_NAME: ${{ github.head_ref || github.ref_name }}
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+      - uses: conda-incubator/setup-miniconda@v3
+        with:
+          auto-update-conda: true
+          auto-activate-base: false
+          activate-environment: tiktorch-server-env
+          environment-file: environment.yml
+          channel-priority: flexible
+          miniforge-variant: Miniforge3
+      - name: Run Pre-Commit
+        run: |
+          echo $BRANCH_NAME
+          echo ${{ github.event.pull_request.base.ref }}
+          echo ${{ github.event.pull_request.head.sha }}
+          git fetch origin
+          pre-commit run --from-ref origin/${{ github.event.pull_request.base.ref }} --to-ref ${{ github.event.pull_request.head.sha }}
+
+  test-dev:
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        shell: bash -l {0}
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+      - uses: conda-incubator/setup-miniconda@v3
+        with:
+          auto-update-conda: true
+          auto-activate-base: false
+          activate-environment: tiktorch-server-env
+          environment-file: environment.yml
+          channel-priority: flexible
+          miniforge-variant: Miniforge3
+      - name: conda diagnostics
+        run: |
+          conda info
+      - name: install submodules
+        run: |
+          git submodule init
+          git submodule update
+          make install_submodules
+      - name: Run tests
+        run: |
+          pytest -v -s --cov=tiktorch --cov-report=xml
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v4
+        with:
+          file: ./coverage.xml
+          fail_ci_if_error: true
+
+
+  conda-noarch-build:
+    runs-on: ubuntu-latest
+    outputs:
+      version: ${{ steps.version.outputs.version }}
+    defaults:
+      run:
+        shell: bash -l {0}
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - uses: conda-incubator/setup-miniconda@v3
+        with:
+          auto-update-conda: true
+          auto-activate-base: true
+          channel-priority: flexible
+          miniforge-variant: Miniforge3
+      - name: install common conda dependencies
+        run: mamba install -n base -c conda-forge conda-build setuptools_scm -y
+      - name: Cache Conda Packages
+        uses: actions/cache@v4
+        with:
+          path: |
+            pkgs/noarch
+            pkgs/channeldata.json
+          key: ${{ github.sha }}-packages
+      - id: version
+        run: |
+          vers=$( python setup.py --version )
+          echo "version=${vers}" >> $GITHUB_OUTPUT
+      - name: Linux Conda Build Test
+        run: |
+          mkdir -p ./pkgs/noarch
+          conda build -c conda-forge conda-recipe --no-test --output-folder ./pkgs
+
+  test-build-conda-packages:
+    needs: [conda-noarch-build]
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [macos-latest, windows-latest, ubuntu-latest]
+    runs-on: ${{ matrix.os }}
+    env:
+      TIKTORCH_PACKAGE_NAME: tiktorch-${{ needs.conda-noarch-build.outputs.version }}-py_0.tar.bz2
+    steps:
+      # Use GNU tar instead of BSD tar on Windows
+      - name: "Use GNU tar instead of BSD tar"
+        if: matrix.os == 'windows-latest'
+        shell: cmd
+        run: echo C:\Program Files\Git\usr\bin>>"%GITHUB_PATH%"
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - uses: conda-incubator/setup-miniconda@v3
+        with:
+          auto-update-conda: true
+          auto-activate-base: true
+          channel-priority: flexible
+          miniforge-variant: Miniforge3
+      - name: install common conda dependencies
+        run: mamba install -n base -c conda-forge conda-build setuptools_scm -y
+      - name: Cache Conda Packages
+        uses: actions/cache@v4
+        with:
+          path: |
+            pkgs/noarch
+            pkgs/channeldata.json
+          key: ${{ github.sha }}-packages
+          enableCrossOsArchive: true
+      - name: Linux Test
+        if: matrix.os == 'ubuntu-latest'
+        shell: bash -l {0}
+        run: |
+          conda build --test --override-channels \
+            -c ./pkgs -c pytorch -c ilastik-forge -c conda-forge \
+            ./pkgs/noarch/${TIKTORCH_PACKAGE_NAME}
+      - name: macOS Test
+        if: matrix.os == 'macos-latest'
+        shell: bash -l {0}
+        run: |
+          conda build --test --override-channels \
+            -c ./pkgs -c pytorch -c ilastik-forge -c conda-forge \
+            ./pkgs/noarch/${TIKTORCH_PACKAGE_NAME}
+      - name: Windows Test
+        if: matrix.os == 'windows-latest'
+        # HACK: due to a bug in conda-build need to point to
+        # libarchive explicitly.
+        # https://github.com/conda/conda/issues/12563#issuecomment-1494264704
+        env:
+          LIBARCHIVE: C:\Miniconda\Library\bin\archive.dll
+        shell: cmd /C CALL {0}
+        run: |
+          conda build --test --override-channels ^
+            -c %CD%\pkgs -c pytorch -c ilastik-forge -c conda-forge ^
+            .\pkgs\noarch\%TIKTORCH_PACKAGE_NAME%
diff --git a/Makefile b/Makefile
index 5e1fee90..262df6ee 100644
--- a/Makefile
+++ b/Makefile
@@ -27,5 +27,4 @@ install_submodules:
 remove_devenv:
 	conda env remove --yes --name $(TIKTORCH_ENV_NAME)
 
-
 .PHONY: *
diff --git a/conda-recipe/meta.yaml b/conda-recipe/meta.yaml
index d1d33fc0..f45de0d5 100644
--- a/conda-recipe/meta.yaml
+++ b/conda-recipe/meta.yaml
@@ -15,7 +15,8 @@ source:
 build:
   noarch: python
   number: 0
-  script: python -m pip install --no-deps --ignore-installed .
+  script:
+    - python -m pip install . --no-deps --ignore-installed --no-cache-dir -vvv
   entry_points:
     - tiktorch-server = tiktorch.server.base:main
 
@@ -30,13 +31,11 @@ requirements:
     - {{ dep.lower() }}
     {% endfor %}
   run_constrained:
+    - mkl <2024.1.0  # [linux] until pytorch is compatible with the current version
     - cudatoolkit >=10.2
     {% for dep in setup_py_data['extras_require']['server-pytorch'] %}
     - {{ dep.lower() }}
     {% endfor %}
-    {% for dep in setup_py_data['extras_require']['server-tensorflow'] %}
-    - {{ dep.lower() }}
-    {% endfor %}
 
 about:
   home: https://github.com/ilastik/tiktorch
@@ -52,12 +51,10 @@ test:
     {% for dep in setup_py_data['extras_require']['server-pytorch'] %}
     - {{ dep.lower() }}
     {% endfor %}
-    {% for dep in setup_py_data['extras_require']['server-tensorflow'] %}
-    - {{ dep.lower() }}
-    {% endfor %}
     # this is still necessary, torchvision doesn't work properly with cpuonly mutex
     - torchvision=*=*cpu
     - cpuonly
+    - pytest
   imports:
     # client
     - tiktorch
@@ -70,3 +67,12 @@ test:
     # server
     - tiktorch.server.base
     - tiktorch.server.session
+
+  source_files:
+    - tests
+    - tiktorch
+    - pytest.ini
+
+  command:
+    - pytest -v -s
+
diff --git a/environment.yml b/environment.yml
index 94b04c80..9f493eb3 100644
--- a/environment.yml
+++ b/environment.yml
@@ -13,8 +13,6 @@ dependencies:
   - marshmallow=3.12.*
   - marshmallow-jsonschema
   - protobuf
-  - pytest
-  - pytest-grpc
   - pyyaml=5.3.*
   - requests
   - ruamel.yaml
@@ -22,15 +20,16 @@ dependencies:
   - scipy
   - typing-extensions
   - xarray
+  - setuptools
+  - pip
 
   # pytorch
   # remove cpuonly, add cudatoolkit and cudnn for gpu support
-  - pytorch=1.13.*
-  - inferno=v0.4.*
+  - pytorch=2.4.*
   # currently it's necessary to force the cpu version, remove
   # torchvision pin when going for gpu
   # - torchvision
-  #- cpuonly
+  - cpuonly
   # - cudatoolkit >=10.2
   # - cudnn
   # - tochvision
@@ -46,10 +45,14 @@ dependencies:
   - typer
 
   # dev stuff
+  - pytest
+  - pytest-cov
+  - pytest-grpc
   - bump2version
   - mypy
   - pre_commit
 
-  - pip
-
   - mkl <2024.1.0  # [linux] until pytorch is compatible with the current version
+
+
+
diff --git a/pytest.ini b/pytest.ini
index c2c366b2..f968043d 100644
--- a/pytest.ini
+++ b/pytest.ini
@@ -1,5 +1,6 @@
 [pytest]
-add_opts = -s --doctest-modules
+python_files = test_*.py
+addopts = -s --doctest-modules
 testpaths = tests
 #log_format = %(asctime)s.%(msecs)03d %(levelname)s %(message)s
 #log_date_format = %M:%S.%f
diff --git a/setup.py b/setup.py
index d34ab19e..53caa672 100644
--- a/setup.py
+++ b/setup.py
@@ -37,14 +37,9 @@
     ],
     extras_require={
         "server-pytorch": [
-            "inferno",
             "pytorch>=1.6",
             "scikit-learn",
-        ],
-        "server-tensorflow": [
-            "tensorflow>=2.9",
-            "scikit-learn",
-        ],
+        ]
     },
     entry_points={"console_scripts": ["tiktorch=tiktorch.server.base:main"]},
     # extras_require={"test": ["pytest"]},