Prepare v0.8.0 (#672)

* chore: Bump cdk dependency to v0.8.0

* chore: add docker publish to ci

* chore: add doc test build to ci

.github/workflows/ci.yml

@@ -5,6 +5,8 @@ on:
     branches: [main]
   pull_request:
     branches: [main]
+  release:
+    types: [created]
 
 env:
   CARGO_TERM_COLOR: always
@@ -388,4 +390,20 @@ jobs:
       - name: Stop and clean up Docker Compose
         run: |
           docker compose -f misc/keycloak/docker-compose-recover.yml down
-
+          
+  doc-tests:
+    name: "Documentation Tests"
+    runs-on: ubuntu-latest
+    timeout-minutes: 15
+    needs: pre-commit-checks
+    steps:
+      - name: checkout
+        uses: actions/checkout@v4
+      - name: Install Nix
+        uses: DeterminateSystems/nix-installer-action@v11
+      - name: Nix Cache
+        uses: DeterminateSystems/magic-nix-cache-action@v6
+      - name: Rust Cache
+        uses: Swatinem/rust-cache@v2
+      - name: Run doc tests
+        run: nix develop -i -L .#stable --command cargo test --doc

.github/workflows/docker-publish.yml

@@ -0,0 +1,60 @@
+name: Publish Docker Image
+
+on:
+  release:
+    types: [published]
+  workflow_dispatch:
+    inputs:
+      tag:
+        description: 'Tag to build and publish'
+        required: true
+        default: 'latest'
+
+env:
+  REGISTRY: docker.io
+  IMAGE_NAME: thesimplekid/cdk-mintd
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=raw,value=latest,enable=${{ github.event_name == 'release' }}
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=ref,event=branch
+            type=ref,event=pr
+            type=sha
+            ${{ github.event.inputs.tag != '' && github.event.inputs.tag || '' }}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          push: true
+          platforms: linux/amd64,linux/arm64
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max