feat: add docker file and github actions

.github/workflows/build.yaml

@@ -0,0 +1,46 @@
+name: build-and-publish
+
+on:
+  push:
+    branches:
+      - "main"
+      - "feat/docker-build"
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out the repo
+        uses: actions/checkout@v4
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ vars.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@9ec57ed1fcdbf14dcef7dfbe97b2010124a938b7
+        with:
+          images: ${{ vars.DOCKERHUB_USERNAME }}/sso-rs
+
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        id: push
+        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: ${{ vars.DOCKERHUB_USERNAME }}/sso-rs
+          subject-digest: ${{ steps.push.outputs.digest }}
+          push-to-registry: true

Dockerfile

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+FROM rust:1.77 AS builder
+COPY . .
+RUN cargo build --release
+COPY ./target/release/sso-rs /sso-rs
+
+FROM alpine:3.20.3
+COPY --from=builder /sso-rs /sso-rs
+EXPOSE 3000
+EXPOSE 2999
+CMD ["/sso-rs"]