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diff --git a/‎.devcontainer/Dockerfile‎
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diff --git a/‎.devcontainer/devcontainer.json‎
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diff --git a/‎.devcontainer/local_build.sh‎
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diff --git a/‎.github/dependabot.yml‎
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diff --git a/‎.github/pages/index.html‎
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diff --git a/‎.github/workflows/code.yml‎
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@@ -0,0 +1,31 @@
+# ideas from https://www.docker.com/blog/containerized-python-development-part-1/
+
+# This file is for use as a .vscode devcontainer as well as a runtime 
+# container. The devcontainer should be rootful and use podman or docker 
+# with user namespaces.
+
+ARG BASE="mcr.microsoft.com/vscode/devcontainers/python:0-3.10-bullseye"
+FROM ${BASE} as base
+
+# use root to pin where the packages will install
+USER root
+ENV PATH=/root/.local/bin:$PATH
+
+FROM base as developer
+
+WORKDIR /workspace
+COPY . .
+
+# install runtime from DIST if there is one
+RUN mkdir -p /root/.local && \
+    if [ -d dist ] ; then \
+    touch requirements.txt && \
+    pip install --user -r requirements.txt dist/*.whl ; \
+    fi
+
+FROM base as runtime
+
+COPY --from=developer /root/.local /root/.local
+
+ENTRYPOINT ["python3-pip-skeleton"]
+CMD ["--version"]
@@ -0,0 +1,68 @@
+// For format details, see https://aka.ms/devcontainer.json. For config options, see the README at:
+// https://github.com/microsoft/vscode-dev-containers/tree/v0.231.6/containers/python-3
+{
+    "name": "Python 3",
+    "build": {
+        "dockerfile": "Dockerfile",
+        "target": "developer",
+        "context": "..",
+        "args": {}
+    },
+    "remoteEnv": {
+        "DISPLAY": "${localEnv:DISPLAY}"
+    },
+    // Set *default* container specific settings.json values on container create.
+    "settings": {
+        "python.defaultInterpreterPath": "/usr/local/bin/python",
+        "python.linting.enabled": true,
+        "python.linting.pylintEnabled": true,
+        "python.formatting.autopep8Path": "/usr/local/py-utils/bin/autopep8",
+        "python.formatting.blackPath": "/usr/local/py-utils/bin/black",
+        "python.formatting.yapfPath": "/usr/local/py-utils/bin/yapf",
+        "python.linting.banditPath": "/usr/local/py-utils/bin/bandit",
+        "python.linting.flake8Path": "/usr/local/py-utils/bin/flake8",
+        "python.linting.mypyPath": "/usr/local/py-utils/bin/mypy",
+        "python.linting.pycodestylePath": "/usr/local/py-utils/bin/pycodestyle",
+        "python.linting.pydocstylePath": "/usr/local/py-utils/bin/pydocstyle",
+        "python.linting.pylintPath": "/usr/local/py-utils/bin/pylint"
+    },
+    // Add the IDs of extensions you want installed when the container is created.
+    "extensions": [
+        "ms-python.python",
+        "ms-python.vscode-pylance",
+        "streetsidesoftware.code-spell-checker",
+        "ryanluker.vscode-coverage-gutters",
+        "mhutchie.git-graph",
+        "eamodio.gitlens",
+        "gruntfuggly.todo-tree",
+        "redhat.vscode-yaml",
+        "nsd.vscode-epics",
+        "alefragnani.bookmarks"
+    ],
+    "features": {
+        //"docker-from-docker": "20.10",
+        "git": "os-provided"
+    },
+    // Use 'forwardPorts' to make a list of ports inside the container available locally.
+    // "forwardPorts": [],
+    // Comment out to connect as root instead. More info: https://aka.ms/vscode-remote/containers/non-root.
+    // "remoteUser": "vscode",
+    // Make sure the files we are mapping into the container exist on the host
+    "initializeCommand": "bash -c 'for i in $HOME/.inputrc $HOME/.bashrc_dev; do [ -f $i ] || touch $i; done'",
+    "runArgs": [
+        "--privileged",
+        "--net=host",
+        "-v=${localEnv:HOME}/.ssh:/root/.ssh",
+        "-v=${localEnv:HOME}/.bashrc_dev:/root/.bashrc",
+        "-v=${localEnv:HOME}/.inputrc:/root/.inputrc"
+    ],
+    "mounts": [
+        // map in home directory - not strictly necessary but may be useful
+        "source=${localEnv:HOME},target=${localEnv:HOME},type=bind,consistency=cached"
+    ],
+    "workspaceMount": "source=${localWorkspaceFolder},target=/workspace,type=bind",
+    "workspaceFolder": "/workspace",
+    // After the container is created, install the python project in editable form
+    // This installs into the system python of the container
+    "postCreateCommand": "pip install $([ -f requirements_dev.txt ] && echo -r requirements_dev.txt ) -e .[dev]"
+}
@@ -0,0 +1,18 @@
+# locally build a runtime container for testing
+
+# first make sure a wheel is built
+(
+    cd ..
+    pip install build
+    rm -r dist
+    python -m build --wheel
+)
+
+# make the container name the same as the root folder name of this clone
+container_name=$(cd ..; basename $(realpath .))
+echo building $container_name ...
+
+# run the build with required build-args for a runtime build
+ln -s ../dist .
+podman build --build-arg BASE=python:3.10-slim --build-arg ENTRYPOINT=$container_name -t $container_name .. --file ./Dockerfile
+unlink dist
@@ -0,0 +1,16 @@
+# To get started with Dependabot version updates, you'll need to specify which
+# package ecosystems to update and where the package manifests are located.
+# Please see the documentation for all configuration options:
+# https://docs.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
+
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+
+  - package-ecosystem: "pip"
+    directory: "/"
+    schedule:
+      interval: "weekly"
@@ -1,9 +1,11 @@
 <!DOCTYPE html>
 <html>
-  <head>
-    <title>Redirecting to master branch</title>
+
+<head>
+    <title>Redirecting to main branch</title>
     <meta charset="utf-8">
-    <meta http-equiv="refresh" content="0; url=./master/index.html">
-    <link rel="canonical" href="master/index.html">
-  </head>
-</html>
+    <meta http-equiv="refresh" content="0; url=./main/index.html">
+    <link rel="canonical" href="main/index.html">
+</head>
+
+</html>
@@ -13,94 +13,140 @@ on:
   pull_request:
   schedule:
     # Run every Monday at 8am to check latest versions of dependencies
-    - cron: '0 8 * * MON'
+    - cron: "0 8 * * MON"
 
 jobs:
   lint:
     runs-on: "ubuntu-latest"
     steps:
-      - name: Run black, flake8, mypy
-        uses: dls-controls/pipenv-run-action@v1
-        with:
-          pipenv-run: lint
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Lint
+        run: |
+          pip install --user .[dev]
+          tox -e pre-commit,mypy
 
   wheel:
-    runs-on: "ubuntu-latest"
+    strategy:
+      fail-fast: false
+      matrix:
+        os: ["ubuntu-latest"]
+        python: ["3.8"]
+
+    runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v2
-        with:
-          fetch-depth: 0
 
       - name: Create Sdist and Wheel
         # Set SOURCE_DATE_EPOCH from git commit for reproducible build
         # https://reproducible-builds.org/
-        # Set group writable and umask to do the same to match inside DLS
         run: |
-          chmod -R g+w .
-          umask 0002
           SOURCE_DATE_EPOCH=$(git log -1 --pretty=%ct) pipx run build --sdist --wheel
 
-      - name: Test cli works from the installed wheel
-        # Can remove the repository reference after https://github.com/pypa/pipx/pull/733
-        run: pipx run --spec dist/*.whl ${GITHUB_REPOSITORY##*/} --version
-
       - name: Upload Wheel and Sdist as artifacts
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v3
         with:
           name: dist
-          path: dist/*
+          path: dist
+
+      - name: Install minimum python version
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python }}
+
+      - name: Install wheel in a venv and check cli works
+        # ${GITHUB_REPOSITORY##*/} is the repo name without org
+        # Replace this with the cli command if different to the repo name
+        run: pipx run --python $(which python${{ matrix.python }}) --spec dist/*.whl ${GITHUB_REPOSITORY##*/} --version
 
   test:
     strategy:
       fail-fast: false
       matrix:
-        os: ["ubuntu-latest"]  # can add windows-latest, macos-latest
-        python: ["3.7", "3.8", "3.9"]
-        pipenv: ["skip-lock"]
+        os: ["ubuntu-latest"] # can add windows-latest, macos-latest
+        python: ["3.8", "3.9", "3.10"]
+        lock: [false]
 
         include:
-          # Add an extra Python3.7 runner to use the lockfile
+          # Add an extra Python3.10 runner to use the lockfile
           - os: "ubuntu-latest"
-            python: "3.7"
-            pipenv: "deploy"
+            python: "3.10"
+            lock: true
 
     runs-on: ${{ matrix.os }}
     env:
       # https://github.com/pytest-dev/pytest/issues/2042
       PY_IGNORE_IMPORTMISMATCH: "1"
+      # enable QT tests with no X Display
+      QT_QPA_PLATFORM: "offscreen"
 
     steps:
-      - name: Setup repo and test
-        uses: dls-controls/pipenv-run-action@v1
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+      - name: Setup python ${{ matrix.python }}
+        uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python }}
-          pipenv-install: --dev --${{ matrix.pipenv }}
-          allow-editable-installs: ${{ matrix.pipenv == 'deploy' }}
-          pipenv-run: tests
+
+      - name: Install with locked dependencies
+        if: matrix.lock
+        run: |
+          echo '# runtime dependencies' > requirements.txt 
+          echo '# developer dependencies' > requirements_dev.txt
+          # above avoids zero length requirements files
+          pip install -r requirements.txt -e .
+          pip freeze --exclude-editable >> requirements.txt
+          pip install -r requirements_dev.txt -e .[dev]
+          pip freeze --exclude-editable >> requirements_dev.txt
+
+      - name: Install with latest dependencies
+        if: ${{ ! matrix.lock }}
+        run: pip install -e .[dev]
+
+      - name: Run tests
+        run: pytest tests
+
+      - name: Create requirements_dev.txt
+        run: |
+          pip freeze --exclude-editable > requirements_dev.txt
 
       - name: Upload coverage to Codecov
         uses: codecov/codecov-action@v2
         with:
-          name: ${{ matrix.python }}/${{ matrix.os }}/${{ matrix.pipenv }}
+          name: ${{ matrix.python }}/${{ matrix.os }}/${{ matrix.lock }}
           files: cov.xml
 
+      - name: Upload build files
+        if: matrix.lock
+        uses: actions/upload-artifact@v3
+        with:
+          name: buildfiles
+          path: |
+            requirements.txt
+            requirements_dev.txt
+
   release:
     needs: [lint, wheel, test]
     runs-on: ubuntu-latest
     # upload to PyPI and make a release on every tag
     if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags')
     steps:
-      - uses: actions/download-artifact@v2
+      - uses: actions/download-artifact@v3
         with:
-          name: dist
-          path: dist
+          path: artifacts
 
       - name: Github Release
         # We pin to the SHA, not the tag, for security reasons.
         # https://docs.github.com/en/actions/learn-github-actions/security-hardening-for-github-actions#using-third-party-actions
-        uses: softprops/action-gh-release@1e07f4398721186383de40550babbdf2b84acfc5  # v0.1.14
+        uses: softprops/action-gh-release@1e07f4398721186383de40550babbdf2b84acfc5 # v0.1.14
         with:
-          files: dist/*
+          files: |
+            artifacts/dist/*
+            artifacts/buildfiles/*
           generate_release_notes: true
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
@@ -109,4 +155,62 @@ jobs:
         env:
           TWINE_USERNAME: __token__
           TWINE_PASSWORD: ${{ secrets.pypi_token }}
-        run: pipx run twine upload dist/*
+        run: pipx run twine upload artifacts/dist/*
+
+  make-container:
+    needs: [lint, wheel, test]
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - uses: actions/download-artifact@v3
+        with:
+          name: dist
+          path: dist
+
+      - name: Cache Docker layers
+        uses: actions/cache@v2
+        with:
+          path: /tmp/.buildx-cache
+          key: ${{ runner.os }}-buildx-${{ github.sha }}
+          restore-keys: |
+            ${{ runner.os }}-buildx-
+
+      - name: Log in to GitHub Docker Registry
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v2
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v4
+        with:
+          images: ghcr.io/${{ github.repository }}
+          tags: |
+            type=ref,event=branch
+            type=ref,event=tag
+            type=raw,value=latest
+
+      - name: Set up Docker Buildx
+        id: buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Build runtime image
+        uses: docker/build-push-action@v3
+        with:
+          file: .devcontainer/Dockerfile
+          context: .
+          push: ${{ github.event_name != 'pull_request' }}
+          build-args: BASE=python:3.10-slim
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=local,src=/tmp/.buildx-cache
+          cache-to: type=local,dest=/tmp/.buildx-cache