migrate from github

Dockerfile.prod

@@ -0,0 +1,31 @@
+FROM golang:1.24-alpine AS builder
+WORKDIR /app
+
+ENV GOPROXY=https://goproxy.cn,direct
+
+RUN apk add --no-cache protobuf
+RUN go install google.golang.org/protobuf/cmd/protoc-gen-go@v1.36.5 && \
+    go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@v1.5.1
+
+COPY collab-go/go.mod collab-go/go.sum ./
+COPY collab-go ./collab-go
+COPY proto ./proto
+
+WORKDIR /app/collab-go
+RUN go mod download
+RUN mkdir -p /app/collab-go/pkg/gen && \
+    protoc -I /app/proto \
+      --go_out=/app/collab-go/pkg/gen --go_opt=paths=source_relative \
+      --go-grpc_out=/app/collab-go/pkg/gen --go-grpc_opt=paths=source_relative \
+      /app/proto/yoresee_doc/v1/yoresee_doc.proto
+RUN go mod tidy
+RUN CGO_ENABLED=0 go build -p 1 -o collab-go main.go
+
+FROM alpine:latest AS runner
+WORKDIR /app
+
+COPY --from=builder /app/collab-go .
+
+EXPOSE 1234
+
+CMD ["./collab-go"]