Creating a Dockerfile

Creating a Dockerfile is a straightforward process. You can use any text editor or integrated development environment (IDE) to create and edit Dockerfiles. Here’s a basic step-by-step guide to creating a Dockerfile:

👉 Choose a Base Image:

• Determine which base image best suits your needs. You can find official images on Docker Hub (https://hub.docker.com/) for common software like Ubuntu, Alpine Linux, Python, Node.js, etc.
• Choose the base image that matches the requirements of your application or service.

👉 Set up Your Project Directory:

• Create a directory for your Docker project if you haven’t already done so.
• Place your application code and any other necessary files or directories within this project directory.

👉 Create a Dockerfile:

• Inside your project directory, create a new file named Dockerfile (without any file extension).
• Open the Dockerfile in a text editor or IDE.
• Type vi Dockerfile and press Enter. This will open the vi editor with a new file named Dockerfile.
• Press i to enter insert mode. You can now start typing your Dockerfile contents.