diff --git a/.gitea/workflows/release.yaml b/.gitea/workflows/release.yaml
index 3f7e5d9..dd73969 100644
--- a/.gitea/workflows/release.yaml
+++ b/.gitea/workflows/release.yaml
@@ -12,7 +12,7 @@ on:
 # and a name for the Docker image that this workflow builds.
 env:
   REGISTRY: git.housh.dev
-  IMAGE_NAME: ${{ gitea.repository }}
+  IMAGE_NAME: ductcalc
 
 # There is a single job in this workflow. It's configured to run on the latest available version of Ubuntu.
 jobs:
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
new file mode 100644
index 0000000..bdf8092
--- /dev/null
+++ b/.github/workflows/ci.yaml
@@ -0,0 +1,31 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - main
+      - dev
+  pull_request:
+  workflow_dispatch:
+
+jobs:
+  ubuntu:
+    name: Linux Tests
+    runs-on: ubuntu:latest
+    steps:
+    - uses: actions/checkout@v4
+    - name: Setup QEMU
+      uses: docker/setup-qemu-action@v3
+    - name: Setup buildx
+      uses: docker/setup-buildx-action@v3 
+    - name: Build test image
+      uses: docker/build-push-action@v6
+      with:
+        context: .
+        file: docker/Dockerfile.test
+        push: false
+        load: true
+        tags: ${{ github.repository_owner }}/ductcalc:test
+    - name: Run Tests
+      run: |
+        docker run --rm ${{ github.repository_owner }}/ductcalc:test swift test
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
new file mode 100644
index 0000000..b2d86e5
--- /dev/null
+++ b/.github/workflows/release.yaml
@@ -0,0 +1,65 @@
+name: Create and publish a Docker image
+
+# Configures this workflow to run every time a change is pushed to the branch called `release`.
+on:
+  push:
+    # branches: ['main']
+    tags:
+      - '*.*.*'
+  workflow_dispatch:
+
+# Defines two custom environment variables for the workflow. These are used for the Container registry domain,
+# and a name for the Docker image that this workflow builds.
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ductcalc
+
+# There is a single job in this workflow. It's configured to run on the latest available version of Ubuntu.
+jobs:
+  build-and-push-image:
+    runs-on: ubuntu-latest
+    # Sets the permissions granted to the `GITHUB_TOKEN` for the actions in this job.
+    permissions:
+      contents: read
+      packages: write
+      attestations: write
+      id-token: write
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+      # Uses the `docker/login-action` action to log in to the Container registry registry using the account
+      # and password that will publish the packages. Once published, the packages are scoped to the account defined here.
+      - name: Log in to the Container registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.CONTAINER_TOKEN }}
+      # This step uses [docker/metadata-action](https://github.com/docker/metadata-action#about) to extract tags and labels
+      # that will be applied to the specified image. The `id` "meta" allows the output of this step to be referenced in a
+      # subsequent step. The `images` value provides the base name for the tags and labels.
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=ref,event=branch
+            type=semver,pattern={{version}}
+            type=sha
+            type=raw,value=prod
+      # This step uses the `docker/build-push-action` action to build the image, based on your repository's `Dockerfile`. If
+      # the build succeeds, it pushes the image to GitHub Packages. It uses the `context` parameter to define the build's context
+      # as the set of files located in the specified path. For more information, see "[Usage](https://github.com/docker/build-push-action#usage)"
+      # in the README of the `docker/build-push-action` repository.
+      # It uses the `tags` and `labels` parameters to tag and label the image with the output from the "meta" step.
+      - name: Build and push Docker image
+        id: push
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          file: docker/Dockerfile
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+