Learning Dockerfile for Beginners

This project contains a simple and practical example of a Dockerfile to help beginners learn how to use Docker.

Prerequisites

• Docker installed on your system
• Basic knowledge of the Linux command line

Here's what each line does

• FROM swift:latest as builder: Use the official swift image as our base image.

• COPY app.swift .: Copy the dependency file from the current directory to the container.

• RUN swiftc app.swift -o app: Build the application.

• FROM swift:slim AS runner: Base image for second stage

• COPY --from=builder /app .: Copy the executable file from previous stage to directory

• CMD ["/app"]: run the application

Usage

1. Clone the repository:

git clone https://github.com/devopshobbies/docker-templates.git

2. Build the Docker image:

cd docker-templates/15-Swift
docker build -t hello-swift .

3. Run the Docker container:

docker container run hello-swift