Howo to install GitHub dependency using PNPM in Dockerfile

Using PNPM in a Dockerfile to install dependencies from GitHub involves multiple steps. I'll provide a detailed explanation of how to build a Dockerfile to achieve this. Assuming you already have a Node.js project and you want to use PNPM to install dependencies from GitHub.

Step 1: Base Image

First, select an appropriate base image. For Node.js applications, the official node image is a great starting point. Ensure you choose a tag that includes the required Node.js version.

Dockerfile
# Select the appropriate Node.js version
FROM node:16-alpine

Step 2: Install PNPM

Next, install PNPM in the Docker container. Since PNPM offers faster dependency installation speeds and better storage efficiency compared to npm.

Dockerfile
# Install PNPM
RUN npm install -g pnpm

Step 3: Prepare Working Directory

Set the working directory in the container. This is where your application code is stored.

Dockerfile
# Set working directory
WORKDIR /app

Step 4: Copy Project Files

Copy your project files to the working directory. You can choose to copy the package.json and pnpm-lock.yaml files, or the entire project.

Dockerfile
# Copy project definition files
COPY package.json pnpm-lock.yaml ./

Step 5: Install Dependencies

Use PNPM to install dependencies. Note that if your package.json includes dependencies pointing to GitHub, PNPM will automatically handle them.

Dockerfile
# Use PNPM to install dependencies
RUN pnpm install

Step 6: Copy Remaining Project Files

After installing dependencies, copy the remaining project files to the container.

Dockerfile
# Copy project source code and other files
COPY . .

Step 7: Define Container Startup Command

Define the command to execute when the Docker container starts, such as launching your Node.js application.

Dockerfile
# Define container startup command
CMD ["node", "your-app-main-file.js"]

Complete Dockerfile Example

Combining all the above steps, we obtain the complete Dockerfile:

Dockerfile
# Select the appropriate Node.js version
FROM node:16-alpine

# Install PNPM
RUN npm install -g pnpm

# Set working directory
WORKDIR /app

# Copy project definition files
COPY package.json pnpm-lock.yaml ./

# Use PNPM to install dependencies
RUN pnpm install

# Copy project source code and other files
COPY . .

# Define container startup command
CMD ["node", "your-app-main-file.js"]

With this Dockerfile, you can use PNPM in the Docker container to install dependencies from GitHub and run your Node.js application.