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Docker Dart

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 dart AS build: Use the official dart image as our base image.

  • WORKDIR /app: Set the working directory in the container to /app.

  • COPY pubspec.* /app/: Copy the dependency file from the current directory to the container.

  • RUN dart pub get --no-precompile: Download and install the dependencies defined in pubspec file.

  • COPY app.dart /app/: Copy the application code to the container.

  • RUN dart compile exe app.dart -o app: Compiles the app.dart file into an executable binary called app.

  • FROM debian:stable-slim: Base image for second stage

  • COPY --from=build /app/app /app/app: Copy the executable binary from previous stage to directory

  • CMD ["/app/app"]: run the application

Usage

  1. Clone the repository:
git clone https://github.com/devopshobbies/docker-templates.git
  1. Build the Docker image:
cd docker-templates/14-Dart
docker build -t hello-dart .
  1. Run the Docker container:
docker container run hello-dart