# Creating My First Docker Image and Pushing It to Docker Hub ??

In this post, I will share insights and the steps to create a Docker image for my weather application and push it to Docker Hub. Docker is an essential tool for packaging applications into containers, making them easy to deploy and manage ?

### Step 1: Create the Dockerfile

First, we need to create a Dockerfile, which contains the instructions for building the Docker image. Here’s a simple Dockerfile for a Node.js application:

```dockerfile

# Use the official Node.js image as the base image        

FROM node:latest        

# Set the working directory inside the container        

WORKDIR /home/app        

# Copy package.json and package-lock.json first to install dependencies        

COPY package*.json ./        

# Install dependencies        

RUN npm install        

# Copy all other files and folders to the container        

COPY . .        

# Expose port 9000 (or the one your app uses)        

EXPOSE 9000        

# Start the Node.js server        

CMD ["npm", "start"]        

```

### Step 2: Build the Docker Image

Once your Dockerfile is ready, you can build the Docker image using the following command in the terminal:

```bash

docker build -t myweatherapp .        

```

This command tells Docker to build an image named myweatherapp using the current directory (`.`) as the context.

### Step 3: Test the Docker Image Locally

Before pushing the image to Docker Hub, it’s a good idea to test it locally. Run the following command:

```bash

docker run -p 9000:9000 myweatherapp .        

This maps port 9000 on your host to port 9000 on the container, allowing you to access your application.

### Step 4: Push the Docker Image to Docker Hub

To push the image to Docker Hub, you first need to log in to your Docker Hub account:

```bash

docker login        

```

Next, tag your image with your Docker Hub username:

```bash

docker tag myweatherapp kuldeepghorpade05/myweatherapp        

```

Finally, push the image to your Docker Hub repository:

```bash

docker push kuldeepghorpade05/myweatherapp        

```

### Step 5: Pulling the Image

Once your image is on Docker Hub, you or anyone else can pull it using the following command:

```bash

docker pull kuldeepghorpade05/myweatherapp        

### Conclusion

And there you have it! You’ve successfully created a Docker image for your Node.js weather application and pushed it to Docker Hub. This process makes it easy to share your application with others or deploy it in different environments.

Feel free to reach out if you have any questions or need further assistance!

Happy Dockering!