init gateway-service

services/gateway-service/Dockerfile

@@ -0,0 +1,16 @@
+FROM golang:1.20 AS build
+WORKDIR /app
+
+# Install required modules
+COPY go.mod go.sum ./
+RUN go mod download
+
+# Build the service
+COPY . .
+RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -o /bin/gateway-service ./cmd/gateway-service
+
+# Runtime environment (for minifying image size)
+FROM gcr.io/distroless/static-debian12
+COPY --from=build /bin/gateway-service .
+EXPOSE 3000
+CMD ["./gateway-service"]