Deploy with Docker

Docker is a new container-based technology designed to make applications easier to create, deploy and run. It's an increasingly popular way to accelerate development and share content. To get started, sign up for Docker, download Docker for your machine and read over the corresponding system requirements. Docker is available for all major operating systems. See the corresponding "Get Started Tutorial" for your OS version on the Docker product page.

Let's check the versions of Docker Engine, Compose and Machine by running the commands below:

$ docker --version

$ docker-compose --version

$ docker-machine --version

Verify your installation by running the Docker version of "Hello World":

$ docker run hello-world

To show all the containers on the system, run the command below:

$ docker ps -a

Electrode has a Dockerfile and Docker image built in to expedite deployment. Simply:

$ docker pull electrode/electrode-io

Try the image in your docker container:

$ docker run -d -p 3000:3000 electrode/electrode-io

You'll see your <container_id> in the terminal.

Verify that the server is running by opening localhost:3000 in your browser.

Copy the code from the container to your local machine for development:

$ docker cp <container_id>:/usr/src/app .

Go to the app folder, and use the following command to stop the container so you can start your development:

$ docker stop <container_id>

Now let's build a new image by entering the following command:

$ docker build -t docker-awesome-container .

Run the command below to see a list of the images you currently have:

$ docker images

You'll see node listed. Find the corresponding IMAGE ID for your node image. We will now build a command to properly tag the image. It'll be using your image id + account name/repo-name:latest

$ docker tag your-image-id-# your-account-name/docker-awesome-container:latest

Let's see it! Run the images command below to see a lit of the images you currently have:

$ docker images

Run your image on your local container:

$ docker run -d -p 3000:3000 docker-awesome-container

Open localhost:3000 in your browser to see your app.

Your container id will print in the terminal, or you can run the command below to see your containers:

$ docker ps

Now you can stop the container:

$ docker stop <container_id>

Log into Docker Hub from the command line. The format is below. Enter your password when prompted:

$ docker login --username=yourhubusername

Run the push command below to push your image to your new repo:

$ docker push your-username/docker-awesome-container

You have successfully pushed your new image to the Docker Cloud repository! From here, you can use the User Guide to run your own containers and build Docker images.

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