hello world for go lang example.
Install dependencies package.
$ go get -dStart web server and default port is 8000
$ go run hello-world.goYou can change default port via add port flag.
$ go run hello-world.go -port=8009Please install Docker first and run the following command to start server.
$ make allOpen your browser with http://your_docker_ip:8000 and get the follwoing message.
{ "current_time":"2016-02-14T07:50:27.536032273Z", "text":"hello world" }Check docker process:
$ docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES d044b5041e8e hello-world "/bin/sh -c /app/hell" About an hour ago Up About an hour 0.0.0.0:8000->8000/tcp hello-productionCheck docker images:
$ docker images REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE hello-world latest 5cca15b3231f 43 seconds ago 15.98 MB hello-world-build latest 472296ce571d 47 seconds ago 282.5 MBRebuild your image.
$ make build docker build -t "hello-world-build" -f Dockerfile.build . Sending build context to Docker daemon 789.5 kB Step 1 : FROM golang:1.6-alpine ---> 7ae766a8518d Step 2 : MAINTAINER Bo-Yi Wu <appleboy.tw@gmail.com> ---> Using cache ---> 9cee8a14fec4 Step 3 : RUN apk --update add git ---> Using cache ---> d17daae20ba7 Step 4 : RUN mkdir -p /tmp/build ---> Using cache ---> cf511150ec0e Step 5 : ADD hello-world.go /tmp/build/ ---> Using cache ---> 02e933c9c453 Step 6 : WORKDIR /tmp/build ---> Using cache ---> a0d43ae462b5 Step 7 : RUN go get -d ---> Running in b02a8bd86c4f ---> 4946d82c8d0f Removing intermediate container b02a8bd86c4f Step 8 : RUN go build hello-world.go ---> Running in b88fcda825f1 ---> 8e25074145ff Removing intermediate container b88fcda825f1 Step 9 : CMD tar -czf - hello-world ---> Running in 2c6e38a708c7 ---> 472296ce571d Removing intermediate container 2c6e38a708c7 Successfully built 472296ce571d docker run "hello-world-build" > build.tar.gz docker build -t "hello-world" -f Dockerfile.dist . Sending build context to Docker daemon 4.007 MB Step 1 : FROM gliderlabs/alpine:3.3 ---> 24e7cde1dbe9 Step 2 : MAINTAINER Bo-Yi Wu <appleboy.tw@gmail.com> ---> Using cache ---> 73e6d76da566 Step 3 : RUN mkdir /app ---> Using cache ---> c8c863a62423 Step 4 : ADD build.tar.gz /app/ ---> 12ef80e2e0c6 Removing intermediate container 38ef062dc3bd Step 5 : ENTRYPOINT /app/hello-world ---> Running in a4781a03cfd4 ---> 07f53380e131 Removing intermediate container a4781a03cfd4 Step 6 : EXPOSE 8000 ---> Running in 967f83e5c5f6 ---> 5cca15b3231f Removing intermediate container 967f83e5c5f6 Successfully built 5cca15b3231fRestart your app server.
$ make server docker rm -f hello-production hello-production docker run -d -p 8000:8000 --name "hello-production" "hello-world" 52723b9e29c2a422451e7a5e73fbd44be83c730006c02667140b43cf7f73c146Deploy your image to docker hub
$ make deploy tag=4.0 docker tag "hello-world":latest "appleboy"/"hello-world":4.0 docker push "appleboy"/"hello-world":4.0 The push refers to a repository [docker.io/appleboy/hello-world] (len: 1) 80d1436c2e8f: Image already exists c4bc05068eb6: Image already exists c8c863a62423: Image already exists 24e7cde1dbe9: Image already exists 4.0: digest: sha256:b5b6bd28e8a4ced89d4e38fe05b9fa4d8f3483f23f23ef1ab0f66b23ffdbcf0e size: 9507$ make test go test -v -cover === RUN TestGinHelloWorld --- PASS: TestGinHelloWorld (0.00s) === RUN TestRunNormalServer --- PASS: TestRunNormalServer (0.03s) PASS coverage: 100.0% of statements ok github.com/appleboy/go-hello 0.038s