Dockerize app (#5)

Dockerfile

@@ -0,0 +1,19 @@
+FROM golang:1.21.3
+
+LABEL org.opencontainers.image.source https://github.com/cloud-unpacked/ippi
+
+WORKDIR /app
+
+COPY go.mod go.sum ./
+
+RUN go mod download
+
+COPY ippi /app/ippi
+
+WORKDIR /app/ippi
+
+RUN CGO_ENABLED=0 GOOS=linux go build -o /the-go-app
+
+CMD ["/the-go-app"]
+
+EXPOSE 9000

goreleaser.Dockerfile

@@ -0,0 +1,4 @@
+FROM scratch
+ENTRYPOINT ["/ippi"]
+COPY ippi /
+EXPOSE 9000

ippi/main.go

@@ -35,7 +35,7 @@ func main() {
 	// Start the server.
 	port := os.Getenv("PORT")
 	if port == "" {
-		port = "3000"
+		port = "9000"
 	}
 
 	log.Println("Starting HTTP server on port:", port)