Skip to content

Latest commit

 

History

History

step2

Folders and files

NameName
Last commit message
Last commit date

parent directory

..
nodejs
nodejs
 
 
README.md
README.md
 
 

README.md

Objectives

Containerize the application adding a Dockerfile to the picture.

Instructions

  • Create a Dockerfile at the root of the project source code
  • Choose one of the base image that embeds the runtime of your selected language
  • Expose port 1337 in the Dockerfile
  • Add a .dockerignore to prevent local node_modules folder to be taken into account in the context

Build the image

When the Dockerfile is ready, the image can be built with the following command:

docker image build -t iot:v1 .

Note: the image has been tagged with v1, this version will be incremented with the changes done in the next steps.

Run the application within a container

Now the application and all its dependencies and its runtime is packaged into an image, we can run it within a container.

docker container run -p 1337:1337 iot:v1

Note: the -p 1337:1337 option is specified for the port 1337 within the container to be published on the Docker host

Example

The Node.js example implementation as been updated in the nodejs folder.

Status

The image named iot and tagged with v1 has been created locally. It then appears in the list of images available on the localhost.

$ docker image ls iot
REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE
iot                 v1                  c243ef955948        8 seconds ago       71 MB

< Previous - Next >