add: in production

Dockerfile

@@ -0,0 +1,32 @@
+# syntax=docker/dockerfile:1
+
+# Build the application from source
+FROM golang:1.21 AS build-stage
+
+WORKDIR /app
+
+COPY go.mod go.sum ./
+RUN go mod download
+
+COPY cmd ./cmd
+COPY internal ./internal
+COPY pkg ./pkg
+COPY gen ./gen
+
+RUN CGO_ENABLED=0 GOOS=linux go build -o /signaler ./cmd/signaler
+
+# Run the tests in the container
+FROM build-stage AS run-test-stage
+RUN go test -v ./...
+
+# Deploy the application binary into a lean image
+FROM golang:1.21 AS build-release-stage
+
+WORKDIR /
+COPY --from=build-stage /signaler /
+COPY server.crt /server.crt
+COPY server.key /server.key
+
+EXPOSE 8080
+
+ENTRYPOINT ["/signaler"]