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Docker Image build and Run Docker Container

Overview

This project demonstrates how to create a Docker image for an application and run it as a Docker container. The project includes a Dockerfile which contains all the necessary instructions to build the image.

Prerequisites

  • Docker installed on your machine
  • Follow the Docker official documentation for Docker Installation.

Getting Started

Clone the project to any directory where you do development work.

git clone https://github.com/praks7v/BloggersUnity.git
cd BloggersUnity

Building the Docker Image

To build the Docker image, make sure the Dockerfile at right location and run the following command:

docker build . -t bloggersunity:latest -f docker/Dockerfile

To build the Docker image using docker compose:

docker compose -f docker/docker-compose.yaml build

This command builds the Docker image and tags it as latest.

Running the Docker Container

To run the Docker container, use the following command:

docker run -p 8000:8000 bloggersunity:latest

To run the Docker container using docker compose, use the following command:

docker compose -f docker/docker-compose.yaml up

This command maps port 8000 in the container to port 8000 on your host machine. You can access the application by navigating to http://localhost:8000.

Pushing the Docker Image to Docker Hub

To push images to Docker Hub, you need to authenticate with your Docker Hub account. Use the docker login command:

docker login

To share your Docker image, you can push it to Docker Hub. First, tag your image with your Docker Hub repository name:

docker tag bloggersunity <your-dockerhub-username>/bloggersunity:latest

Then, push the image to Docker Hub:

docker push <your-dockerhub-username>/bloggersunity:latest

Pulling the Docker Image from Docker Hub

If you want to pull and run the Docker image from Docker Hub, use the following commands:

docker pull <your-dockerhub-username>/bloggersunity:latest
docker run -p 8000:8000 <your-dockerhub-username>/bloggersunity:latest

Docker Commands Summary Example

  • Build an image: 
    docker build -t myapp .
  • Run a container: 
    docker run -p 4000:80 myapp
  • Tag an image: 
    docker tag myapp your-dockerhub-username/myapp
  • Push an image to Docker Hub: 
    docker push your-dockerhub-username/myapp
  • Pull an image from Docker Hub: 
    docker pull your-dockerhub-username/myapp
  • List Docker images: 
    docker images
  • List running containers: 
    docker ps
  • Stop a running container: 
    docker stop <container_id>
  • Remove a Docker image: 
    docker rmi myapp

Troubleshooting

  • Ensure Docker is installed and running on your machine.
  • Check that the Dockerfile and application files are correctly set up.
  • Use docker logs <container_id> to view the logs if the container is not running as expected.

Contributions

Feel free to submit pull requests or open issues if you encounter any problems or have suggestions for improvements.

License

This project is licensed under the MIT License.