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A simple microservice plumbing in Go
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| FROM google/golang:stable | |
| # Godep for vendoring | |
| RUN go get github.com/tools/godep | |
| # Recompile the standard library without CGO | |
| RUN CGO_ENABLED=0 go install -a std | |
| MAINTAINER [email protected] | |
| ENV APP_DIR $GOPATH/Users/mati/deindeal/moosehead/modules/newsletter_feeds | |
| # Set the entrypoint | |
| ENTRYPOINT ["/opt/app/newsletter_feeds"] | |
| ADD . $APP_DIR | |
| # Compile the binary and statically link | |
| RUN mkdir /opt/app | |
| RUN cd $APP_DIR | |
| RUN cd $APP_DIR && godep save | |
| RUN cd $APP_DIR && CGO_ENABLED=0 godep go build -o /opt/app/newsletter_feeds -ldflags '-d -w -s' | |
| EXPOSE 3001 |
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| package main | |
| import ( | |
| "fmt" | |
| "io" | |
| "log" | |
| "net/http" | |
| ) | |
| func helloHandler(res http.ResponseWriter, req *http.Request) { | |
| res.Header().Set( | |
| "Content-Type", | |
| "text/html", | |
| ) | |
| io.WriteString( | |
| res, | |
| `<doctype html> | |
| <html> | |
| <head> | |
| <title>Hello Gopher</title> | |
| </head> | |
| <body> | |
| Hello Gopher </br> | |
| It is really awesome that both Docker and Kubernetes are written in Go! | |
| </body> | |
| </html>`, | |
| ) | |
| } | |
| func defaultHandler(w http.ResponseWriter, r *http.Request) { | |
| fmt.Fprintf(w, "Go web app powered by Docker") | |
| } | |
| func main() { | |
| http.HandleFunc("/", defaultHandler) | |
| http.HandleFunc("/hello", helloHandler) | |
| err := http.ListenAndServe(":3001", nil) | |
| if err != nil { | |
| log.Fatal("ListenAndServe: ", err) | |
| return | |
| } | |
| } |
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| docker build -t newsletter_feeds . | |
| docker run --rm -p 3001:3001 newsletter_feeds |
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