added: Go Dockerfile

Author: Rstacx

Dockerfile

@@ -0,0 +1,15 @@
+FROM golang:1.21.5
+
+WORKDIR /app
+
+COPY go.mod go.sum ./
+
+RUN go mod download
+
+COPY . .
+
+RUN go build -o app ./src/app.go
+
+EXPOSE 5000
+
+CMD ["./app"]