chore: sync submodule state (parent ref update)

Made-with: Cursor

gateway/go/Dockerfile

@@ -0,0 +1,25 @@
+FROM golang:1.21-alpine AS builder
+
+WORKDIR /app
+
+# Copy go mod files
+COPY go.mod go.sum ./
+RUN go mod download
+
+# Copy source
+COPY . .
+
+# Build
+RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o main .
+
+FROM alpine:latest
+
+RUN apk --no-cache add ca-certificates curl
+
+WORKDIR /root/
+
+COPY --from=builder /app/main .
+
+EXPOSE 8080
+
+CMD ["./main"]