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Using Docker on Linux: From Installation to Deployment

Tutorial August 19, 2024
bash

To build a custom Docker image, you need to create a Dockerfile. Here's an example:

# Use an official Ubuntu as a parent image
FROM ubuntu:latest

# Install necessary packages
RUN apt-get update && apt-get install -y nginx

# Expose port 80
EXPOSE 80

# Start Nginx when the container launches
CMD ["nginx", "-g", "daemon off;"]

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