add - Add Docker support

---

This adds support for Docker containerization for Nitrocid KS.

---

Type: add
Breaking: False
Doc Required: False
Backport Required: False
Part: 1/1

.github/workflows/build-docker.yml

@@ -0,0 +1,26 @@
+name: Build Project (Docker)
+
+on:
+  push:
+    branches: [ "main", "v0.1.0.x-saas", "v0.1.1.x-servicing" ]
+  pull_request:
+    branches: [ "main", "v0.1.0.x-saas", "v0.1.1.x-servicing" ]
+
+jobs:
+  build:
+    runs-on: ubuntu-24.04
+
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        ref: ${{ github.ref }}
+    - name: Build Docker image
+      id: push
+      uses: docker/build-push-action
+      with:
+        context: .
+        file: ./Dockerfile
+        push: false
+        tags: ${{ steps.meta.outputs.tags }}
+        labels: ${{ steps.meta.outputs.labels }}
+

.github/workflows/pushdocker.yml

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+name: Push to Docker
+
+on:
+  push:
+    tags:
+      - 'v0.1.*'
+
+jobs:
+  build:
+    runs-on: ubuntu-24.04
+
+    permissions:
+      packages: write
+      contents: read
+      attestations: write
+      id-token: write
+    steps:
+      - name: Check out the repo
+        uses: actions/checkout@v4
+      - name: Prepare Docker (auth)
+        uses: docker/login-action
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action
+        with:
+          images: eofla/nitrocid
+      - name: Build and push Docker image
+        id: push
+        uses: docker/build-push-action
+        with:
+          context: .
+          file: ./Dockerfile
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+      - name: Generate artifact attestation
+        uses: actions/attest-build-provenance@v1
+        with:
+          subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME}}
+          subject-digest: ${{ steps.push.outputs.digest }}
+          push-to-registry: true

Dockerfile

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+FROM mcr.microsoft.com/dotnet/sdk:8.0 AS build-env
+WORKDIR /NKS
+
+# Initialize the project files
+COPY . ./
+
+# Attempt to build Nitrocid KS
+RUN dotnet restore
+RUN dotnet publish -c Release -o out
+
+# Run the ASP.NET image
+FROM mcr.microsoft.com/dotnet/aspnet:8.0
+WORKDIR /NKS
+
+# Copy the output files and start Nitrocid KS
+COPY --from=build-env /NKS/out .
+ENTRYPOINT ["dotnet", "Nitrocid.dll"]