fix(docker): align Go toolchain and validate multi-platform images

.github/workflows/pull_request.yml

@@ -18,3 +18,32 @@ jobs:
   sdk-tests:
     needs: [ build ]
     uses: ./.github/workflows/sdk-tests.yml
+
+  docker-build:
+    name: Build Docker image (amd64 and arm64)
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Set up Go
+        uses: actions/setup-go@v3
+        with:
+          go-version-file: 'go.mod'
+          cache: true
+
+      - name: Prefetch dependencies
+        run: go mod vendor && make frontend
+
+      - name: Setup Docker buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Build Docker image without publishing
+        uses: docker/build-push-action@v4
+        with:
+          context: .
+          push: false
+          platforms: linux/amd64, linux/arm64/v8
+          build-args: |
+            PREFETCHED=true

Dockerfile

@@ -1,4 +1,4 @@
-FROM --platform=$BUILDPLATFORM golang:1.22 as builder
+FROM --platform=$BUILDPLATFORM golang:1.24.1 AS builder
 
 ARG TARGETPLATFORM
 ARG BUILDPLATFORM
@@ -51,4 +51,4 @@ COPY --from=builder /app/bin/server /app/server
 
 VOLUME ["/app/data/"]
 
-ENTRYPOINT ["/app/server"]
+ENTRYPOINT ["/app/server"]