Crystal Dockerized App with Dockerfile

Building a Dockerized App

Crystal Dockerized app uses Dockerfile for deployment.

Introduction to Dockerizing a Crystal App

Dockerizing a Crystal app involves creating a Docker container that can encapsulate your application's environment. This ensures consistent deployment across different environments. In this guide, we'll walk you through the process of creating a Dockerfile for a Crystal application and deploying it efficiently.

Setting Up Your Crystal App

Before you create a Dockerfile, ensure your Crystal application is set up and running locally. For this example, let's assume you have a simple Crystal app with the following structure:

Creating the Dockerfile

The Dockerfile is a text document that contains all the commands to assemble an image. Here’s a basic Dockerfile for a Crystal application:

Building the Docker Image

To build the Docker image, navigate to the directory containing your Dockerfile and run the following command:

Running the Docker Container

Once the image is built, you can run a container using the following command:

Verifying the Deployment

Open your web browser and navigate to http://localhost:8080. You should see your Crystal application running. This confirms that your app is successfully dockerized and deployed using Docker.

Crystal Dockerized App