A Step-by-Step Guide to Your First Container Deployment


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Greetings from the fascinating world of containerisation, inquisitive IT enthusiast! Don’t worry if you’ve heard rumours about Docker and its revolutionary powers but haven’t dared to try it yet. We can assist you as you embark on your first container deployment experience. In this blog we’ll explore the importance of getting Docker Training. Before delving into the specifics, let’s clarify the mystery: “What is Docker?”

Table of contents

  • What is Docker?
  • Step 1: Docker Training
  • Step 2: Installing Docker
  • Step 3: Your First Container
  • Step 4: Exploring Containers
  • Step 5: Building Your Image
  • Step 6: Docker Compose (Optional)
  • Conclusion

What is Docker?

A star in the containerisation space is Dockers. With this technology, developers may package apps and their dependencies into portable, lightweight containers. Then, these containers may reliably operate in any setting, be it a production server or a developer’s laptop. Docker provides a sophisticated answer to the well-worn issue of “it functions on my machine.”

We’ve met Dockers; now, let’s get started on the process of launching your first container. Settle in!

Step 1: Docker Training

Before fully committing to container deployment, it is highly recommended you have some Docker training. Become familiar with the fundamental ideas:

  1. Consider these as container blueprints. Images contain all the files and configurations required to operate a program.
  2. These are Docker image instances. Your programme runs in lightweight, isolated environments called containers.
  3. To create Docker images, use a Dockerfile as you would a recipe. It details the dependencies, base image, and setup instructions for the environment.
  4. A repository of pre-made Docker images is called Docker Hub. You can find graphics for widely used software, including web servers, databases, and programming languages.

Step 2: Installing Docker

Now that you understand Docker, it’s time to configure your environment. Docker installation is comparatively simple:

  1. Docker Desktop for Windows can be downloaded and installed if you’re using Windows. It has an easy-to-use UI and the Docker engine.
  2. Docker Desktop for Mac is the recommended app for macOS users. To get going, download and install it.
  3. Depending on their distribution, Linux users have various alternatives. For installation instructions tailored to your Linux flavour, go to the official Docker documentation.

Step 3: Your First Container

Let’s create your first container now that Docker is operational. Here is a basic illustration utilising the well-known picture “Hello World”:

  1. Open a Terminal (or Command Prompt)
  2. Run the Hello World Container
  3. docker run hello-world
  4. With this command, Docker is instructed to download and launch the “hello-world” image as a container from Docker Hub. If all goes well, you’ll see a cordial greeting.

Step 4: Exploring Containers

After experimenting with your first container, let’s learn more about the world of containers. The following are some crucial Docker commands to investigate and control containers:

List Containers:

  1. docker ps -a
  2. All containers, both stopped and operating, are listed by this command.

Stop a Container:

  1. docker stop <container_id>
  2. Replace <container_id> with the actual ID of the container you want to stop.

Remove a Container:

  1. docker rm <container_id>
  2. Use this command to remove a stopped container.

Inspect a Container:

  1. docker inspect <container_id>
  2. It offers comprehensive details, including configuration, about a container.

Step 5: Building Your Image

Creating your own Docker image is the exciting part. Using a Dockerfile, the image’s configuration and contents will be specified. An example of creating an image for a Python web application is as follows:

Make Your Project’s Folder:

mkdir mywebapp

Navigate to the Folder:

cd mywebapp

Create a Dockerfile:

Create a text editor file called Dockerfile (without a file extension) with the following text:

FROM python:3.8


COPY. /app

CMD [“python”, “app.py”]

This Dockerfile specifies how to use the official Python 3.8 image, make a working directory, copy your application files into the container, and specify the command to run your application.

Build the Docker Image:

  1. docker build -t mywebapp.
  2. This command builds the image, giving it the tag mywebapp.

Utilise Your Container:

docker run -d -p 8080:80 myweb app

The -d flag runs the container in detached mode, and -p maps port 8080 on your host to port 80 in the container.

And voilà! Your personalised Docker container has just been created and launched.

Step 6: Docker Compose (Optional)

If your more complex programmes use multiple containers, Docker Compose is your friend. It is a utility for setting up and maintaining multi-container Docker applications. Make a docker-compose.yml file to provide the network configurations, services, and requirements for your application.


Your journey into the realm of Docker container deployments has begun by understanding these steps. After completing course and receiving some Dockers training, you have made the first moves towards becoming an expert in containerization. Dockers allows you to package and run software uniformly across several environments. As you do further research, Docker has a great deal of potential to make software development and deployment processes more efficient.


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