01_Create_Docker-IMG

Building a basic Go docker file

• Create a newfolder and cd into it
• Create a main.go and Dockerfile
• Insert your golang logic in main.go
• Edit the docker file and insert the following (explanation of code is in the Dockerfile)

FROM golang:1.12.0-alpine3.9
RUN mkdir /app
ADD . /app
WORKDIR /app
RUN go build -o main .
CMD ["/app/main"]

• Use the following command to build an image. (Can change golang-hi-server of your choice)

docker build -t golang-hi-server .

• Check if image is made

docker images

• Run the docker image created using (golang-hi-server is the name of img)

docker run -d -p 8080:8082 -it golang-hi-server

• open http://localhost/8080 to see the project in action