diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..2531c18
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,170 @@
+name: Python CI
+
+on:
+  push:
+    branches: []
+    paths-ignore:
+      - 'README.md'
+    tags:
+      - 'v*'
+  pull_request:
+    branches: []
+    paths-ignore:
+      - 'README.md'
+  workflow_dispatch:
+
+# Specify concurrency such that only one workflow can run at a time
+# * Different workflow files are not affected
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+# Registry for storing Container images
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
+# Ensure the GitHub token can remove packages
+permissions:
+  packages: write
+
+
+jobs:
+
+  # Define a dependencies job that runs on all branches and PRs
+  # * Installs dependencies and caches them
+  build-venv:
+    runs-on: ubuntu-latest
+    container: debian:12-slim
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      # Restore cached virtualenv, if available
+      # * The pyproject.toml hash is part of the cache key, invalidating
+      #   the cache if the file changes
+      - name: Restore cached virtualenv
+        id: restore-cache
+        uses: actions/cache/restore@v3
+        with:
+          path: .venv
+          key: ${{ runner.os }}-venv-${{ hashFiles('**/pyproject.toml') }}
+
+      # Should mirror the build-venv stage in the Containerfile
+      - name: Build venv
+        run: |
+          apt -qq update && apt -qq install -y python3-venv gcc libpython3-dev
+          python3 -m venv .venv
+          .venv/bin/python -m pip install --upgrade -q pip wheel setuptools
+        if: steps.restore-cache.outputs.cache-hit != 'true'
+
+      # Should mirror the build-reqs stage in the Containerfile
+      # * Except this installs the dev dependencies and binaries as well
+      - name: Install all dependencies
+        run: .venv/bin/python -m pip install .[test]
+        if: steps.restore-cache.outputs.cache-hit != 'true'
+
+      # Cache the virtualenv for future runs
+      - name: Cache virtualenv
+        uses: actions/cache/save@v3
+        with:
+          path: .venv
+          key: ${{ steps.restore-cache.outputs.cache-primary-key }}
+        if: steps.restore-cache.outputs.cache-hit != 'true'
+
+  # Define a unittest job that runs on all branches and PRs
+  test-unit:
+    runs-on: ubuntu-latest
+    container: debian:12-slim
+    needs: build-venv
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Install libpython3-dev
+        run: apt -qq update && apt -qq install -y python3-venv libpython3-dev
+
+      # Restore cached virtualenv, if available
+      - name: Restore cached virtualenv
+        id: restore-cache
+        uses: actions/cache/restore@v3
+        with:
+          path: .venv
+          key: ${{ runner.os }}-venv-${{ hashFiles('**/pyproject.toml') }}
+          fail-on-cache-miss: true
+
+      # Run unittests
+      # * Produce JUnit XML report
+      - name: Run unit tests
+        run: |
+          .venv/bin/python3 -m xmlrunner discover -s src/fake_api -p "test_*.py" --output-file ut-report.xml
+
+      # Create test summary to be visualised on the job summary screen on GitHub
+      # * Runs even if previous steps fail
+      - name: Create test summary
+        uses: test-summary/action@v2
+        with:
+          paths: "*t-report.xml"
+          show: "fail, skip"
+        if: always()
+
+  # Define a "build-container" job that runs on branch commits only
+  # * Builds and pushes an OCI Container image to the registry defined in the environment variables
+  # * Only runs if test job passes
+  build-container:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+    needs: test-unit
+    if: github.event_name != 'pull_request'
+
+    steps:
+      # Do a non-shallow clone of the repo to ensure tags are present
+      # * This allows setuptools-git-versioning to automatically set the version
+      - name: Checkout repository
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: Set up Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Log in to the Container registry
+        uses: docker/login-action@65b78e6e13532edd9afa3aa52ac7964289d1a9c1
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      # Tag the built image according to the event type
+      # * If the event is a valid version tag, use the tag name
+      # * If the event is a branch commit, use the commit sha
+      - name: Extract metadata (tags, labels) for Container
+        id: meta
+        uses: docker/metadata-action@9ec57ed1fcdbf14dcef7dfbe97b2010124a938b7
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=ref,event=branch
+            type=semver,pattern={{version}}
+
+      # Build and push the Container image to the registry
+      # * Creates a multiplatform-aware image
+      # * Semantic versioning is handled via the meta action
+      # * The image layers are cached between action runs
+      - name: Build and push Container image
+        uses: docker/build-push-action@v4
+        with:
+          context: .
+          file: Containerfile
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          platforms: linux/amd64,linux/arm64
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+          key: ${{ runner.os }}-venv-${{ hashFiles('**/pyproject.toml') }}
+
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..925f070
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,160 @@
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifestutoPairsReturnutoPairsReturnutoPairsReturnutoPairsReturn
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+cover/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+.pybuilder/
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+#   For a library or package, you might want to ignore these files since the code is
+#   intended to run in multiple environments; otherwise, check them in:
+# .python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# poetry
+#   Similar to Pipfile.lock, it is generally recommended to include poetry.lock in version control.
+#   This is especially recommended for binary packages to ensure reproducibility, and is more
+#   commonly ignored for libraries.
+#   https://python-poetry.org/docs/basic-usage/#commit-your-poetrylock-file-to-version-control
+#poetry.lock
+
+# pdm
+#   Similar to Pipfile.lock, it is generally recommended to include pdm.lock in version control.
+#pdm.lock
+#   pdm stores project-wide configurations in .pdm.toml, but it is recommended to not include it
+#   in version control.
+#   https://pdm.fming.dev/#use-with-ide
+.pdm.toml
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow and github.com/pdm-project/pdm
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# pytype static type analyzer
+.pytype/
+
+# Cython debug symbols
+cython_debug/
+
+# PyCharm
+#  JetBrains specific template is maintained in a separate JetBrains.gitignore that can
+#  be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
+#  and can be added to the global gitignore or merged into this file.  For a more nuclear
+#  option (not recommended) you can uncomment the following to ignore the entire idea folder.
+.idea/
diff --git a/Containerfile b/Containerfile
index 040f36a..839b4a7 100644
--- a/Containerfile
+++ b/Containerfile
@@ -1,13 +1,13 @@
 # Build a virtualenv using venv
 # * Install required compilation tools for wheels via apt
-FROM python:3.11-slim AS build-venv
-RUN apt -qq update && apt -qq install -y build-essential
-RUN python3 -m venv /venv
-RUN /venv/bin/pip install --upgrade -q pip wheel setuptools
+FROM debian:12-slim AS build
+RUN apt -qq update && apt -qq install -y python3-venv gcc libpython3-dev && \
+    python3 -m venv /venv && \
+    /venv/bin/pip install --upgrade -q pip setuptools wheel
 
 # Install packages into the virtualenv as a separate step
 # * Only re-execute this step when the requirements files change
-FROM build-venv AS install-deps
+FROM build AS install-deps
 WORKDIR /app
 COPY pyproject.toml pyproject.toml
 RUN /venv/bin/pip install -q . --no-cache-dir --no-binary=fake_api
@@ -21,12 +21,13 @@ COPY src src
 COPY .git .git
 COPY README.md README.md
 RUN /venv/bin/pip install .
+RUN ls /venv/bin
 
 # Copy the virtualenv into a distroless image
 # * These are small images that only contain the runtime dependencies
-FROM gcr.io/distroless/python3-debian11
-WORKDIR /app
+FROM gcr.io/distroless/python3-debian12
 COPY --from=build-app /venv /venv
+WORKDIR /app
 HEALTHCHECK --interval=30s --timeout=30s --start-period=5s --retries=3 \
   CMD curl -f http://localhost:8000/health || exit 1
 ENTRYPOINT ["/venv/bin/fake-api"]
diff --git a/pyproject.toml b/pyproject.toml
index 8be70af..b4a4d50 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,7 +1,7 @@
 # --- PROJECT CONFIGURATION --- #
 
 [build-system]
-requires = ["setuptools>=67", "wheel", "setuptools-git-versioning>=1.13.3"]
+requires = ["setuptools>=69", "wheel", "setuptools-git-versioning>=1.13.3"]
 build-backend = "setuptools.build_meta"
 
 # Metadata (see https://peps.python.org/pep-0621/)
@@ -18,7 +18,6 @@ authors = [
 classifiers = ["Programming Language :: Python :: 3"]
 dependencies = [
     "fastapi >= 0.105.0",
-    "numpy >= 1.23.2",
     "structlog >= 23.2.0",
     "uvicorn >= 0.24.0",
 ]
@@ -53,12 +52,9 @@ enabled = true
 # MyPy configuration
 # * See https://mypy.readthedocs.io/en/stable/index.html
 [tool.mypy]
-python_version = "3.12"
+python_version = "3.11"
 warn_return_any = true
 disallow_untyped_defs = true
-plugins = [
-    'numpy.typing.mypy_plugin'
-]
 
 # Ruff configuration
 # * See https://beta.ruff.rs/docs/
diff --git a/src/fake_api.egg-info/PKG-INFO b/src/fake_api.egg-info/PKG-INFO
deleted file mode 100644
index 3c2fe88..0000000
--- a/src/fake_api.egg-info/PKG-INFO
+++ /dev/null
@@ -1,35 +0,0 @@
-Metadata-Version: 2.1
-Name: fake-api
-Version: 0.0.1
-Summary: Fake API for wind and solar data
-Author-email: Sol Cotton <sol@openclimatefix.org>
-License: MIT License
-Project-URL: repository, https://github.com/openclimatefix/fake-api
-Classifier: Programming Language :: Python :: 3
-Requires-Python: >=3.11.0
-Description-Content-Type: text/markdown
-Requires-Dist: fastapi>=0.105.0
-Requires-Dist: numpy>=1.23.2
-Requires-Dist: structlog>=23.2.0
-Requires-Dist: uvicorn>=0.24.0
-Provides-Extra: test
-Requires-Dist: unittest-xml-reporting==3.2.0; extra == "test"
-Provides-Extra: lint
-Requires-Dist: mypy>=1.7.1; extra == "lint"
-Requires-Dist: python-lsp-server>=1.9.0; extra == "lint"
-Requires-Dist: ruff>=0.1.7; extra == "lint"
-Provides-Extra: dev
-Requires-Dist: fake-api[lint,test]; extra == "dev"
-
-# Fake API
-
-Defines a fake API to help with building frontends.
-
-## Running the service
-
-Clone the repository,
-and create a new virtual environment with your favorite environment manager.
-Install the dependencies with
-```
-
-```
diff --git a/src/fake_api.egg-info/SOURCES.txt b/src/fake_api.egg-info/SOURCES.txt
deleted file mode 100644
index efedbb0..0000000
--- a/src/fake_api.egg-info/SOURCES.txt
+++ /dev/null
@@ -1,18 +0,0 @@
-README.md
-pyproject.toml
-src/fake_api/__init__.py
-src/fake_api.egg-info/PKG-INFO
-src/fake_api.egg-info/SOURCES.txt
-src/fake_api.egg-info/dependency_links.txt
-src/fake_api.egg-info/entry_points.txt
-src/fake_api.egg-info/requires.txt
-src/fake_api.egg-info/top_level.txt
-src/fake_api/cmd/__init__.py
-src/fake_api/cmd/main.py
-src/fake_api/internal/__init__.py
-src/fake_api/internal/models.py
-src/fake_api/internal/inputs/__init__.py
-src/fake_api/internal/inputs/dummydb.py
-src/fake_api/internal/inputs/test_dummydb.py
-src/fake_api/internal/service/__init__.py
-src/fake_api/internal/service/server.py
\ No newline at end of file
diff --git a/src/fake_api.egg-info/dependency_links.txt b/src/fake_api.egg-info/dependency_links.txt
deleted file mode 100644
index 8b13789..0000000
--- a/src/fake_api.egg-info/dependency_links.txt
+++ /dev/null
@@ -1 +0,0 @@
-
diff --git a/src/fake_api.egg-info/entry_points.txt b/src/fake_api.egg-info/entry_points.txt
deleted file mode 100644
index 169f356..0000000
--- a/src/fake_api.egg-info/entry_points.txt
+++ /dev/null
@@ -1,2 +0,0 @@
-[console_scripts]
-run-api = fake_api.cmd.main:run
diff --git a/src/fake_api.egg-info/requires.txt b/src/fake_api.egg-info/requires.txt
deleted file mode 100644
index b964a72..0000000
--- a/src/fake_api.egg-info/requires.txt
+++ /dev/null
@@ -1,15 +0,0 @@
-fastapi>=0.105.0
-numpy>=1.23.2
-structlog>=23.2.0
-uvicorn>=0.24.0
-
-[dev]
-fake-api[lint,test]
-
-[lint]
-mypy>=1.7.1
-python-lsp-server>=1.9.0
-ruff>=0.1.7
-
-[test]
-unittest-xml-reporting==3.2.0
diff --git a/src/fake_api.egg-info/top_level.txt b/src/fake_api.egg-info/top_level.txt
deleted file mode 100644
index ce2c741..0000000
--- a/src/fake_api.egg-info/top_level.txt
+++ /dev/null
@@ -1 +0,0 @@
-fake_api
diff --git a/src/fake_api/__pycache__/__init__.cpython-312.pyc b/src/fake_api/__pycache__/__init__.cpython-312.pyc
deleted file mode 100644
index e117449..0000000
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diff --git a/src/fake_api/cmd/__pycache__/__init__.cpython-312.pyc b/src/fake_api/cmd/__pycache__/__init__.cpython-312.pyc
deleted file mode 100644
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deleted file mode 100644
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diff --git a/src/fake_api/cmd/main.py b/src/fake_api/cmd/main.py
index 65e5980..05cf4ed 100644
--- a/src/fake_api/cmd/main.py
+++ b/src/fake_api/cmd/main.py
@@ -20,3 +20,4 @@ def run() -> None:
 
 if __name__ == "__main__":
     run()
+
diff --git a/src/fake_api/internal/__pycache__/__init__.cpython-312.pyc b/src/fake_api/internal/__pycache__/__init__.cpython-312.pyc
deleted file mode 100644
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