Add Docker build and publish workflows

Author: bandogora

.github/workflows/docker-build.yml

@@ -0,0 +1,37 @@
+name: Docker Build
+
+on:
+  push:
+    branches: [main]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v5
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+        with:
+          version: latest
+          buildkitd-flags: --debug
+
+      - name: Cache Docker layers
+        uses: actions/cache@v4
+        with:
+          path: ${{ runner.temp }}/.buildx-cache
+          key: ${{ runner.os }}-buildx-${{ github.sha }}
+          restore-keys: |
+            ${{ runner.os }}-buildx-
+
+      - name: Build
+        run: |
+          buildx build -t kratos-selfservice-wasm:latest \
+          --cache-from type=local,src=${{ runner.temp }}/.buildx-cache \
+          --cache-to type=local,dest=${{ runner.temp }}/.buildx-cache-new,mode=max .
+
+      - name: Move cache
+        run: |
+          rm -rf ${{ runner.temp }}/.buildx-cache
+          mv ${{ runner.temp }}/.buildx-cache-new ${{ runner.temp }}/.buildx-cache

.github/workflows/docker-publish.yml

@@ -0,0 +1,58 @@
+name: Docker Build
+
+on:
+  push:
+    tags:
+      - "v*.*.*"
+  workflow_dispatch:
+    inputs:
+      version_tag:
+        description: 'Version tag'
+        required: true
+        type: string
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          # list of Docker images to use as base name for tags
+          images: |
+            jeseng/kratos-selfservice-wasm
+          # generate Docker tags based on the following events/attributes
+          tags: |
+            type=schedule
+            type=ref,event=branch
+            type=ref,event=pr
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=semver,pattern={{major}}
+            type=sha
+
+      - 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
+        with:
+          version: latest
+
+      - name: Validate build configuration
+        uses: docker/build-push-action@v6
+        with:
+          call: check
+
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max