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How to Run a Nuxt App with preinstall script in Elestio

When running a Nuxt.js application using runtime NodeJs, particularly with a preinstall script, you may encounter issues related to missing dependencies or commands not being found. In this guide, we'll walk you through how to set up a pipeline to run a Nuxt app, ensuring that all necessary dependencies (including Nuxt itself) are properly installed and that any preinstall scripts run smoothly.

We're considering your package.json to have something like this kind of script:

  "scripts": {
    "preinstall": "echo 'Running preinstall script...'",
    "build:icons": "tsx plugins/iconify/build-icons.ts",
    "build": "nuxt generate",
    "start": "nuxt start"
  },

If you run this type of script with our current NodeJs runtime, it may not work as expected. To resolve this issue, you need to switch to our Docker runtime and use the Dockerfile provided below. Before deploying the pipeline, please ensure that you place the Dockerfile in your code's root folder file named Dockerfile.

In this example, we assume the client(frontend) code is located in the `app` directory, so I reference `app`. 

However, if your repository structure differs, make sure to adjust the paths accordingly.

FROM node:22

# Add a work directory
WORKDIR /app

# Copy entire application files before installing dependencies
COPY ./app/ .

# Install dependencies
RUN npm install --legacy-peer-deps

# .env Source destination argument
ARG source_file=./.env
ARG destination_dir=./app/.env

# .env copying management
RUN if [ -f "$source_file" ]; then \
        if [ "$source_file" != "$destination_dir" ]; then \
            echo "Copying $source_file to $destination_dir"; \
            cp "$source_file" "$destination_dir"; \
        else \
            echo "Source and destination paths are the same; skipping copy."; \
        fi \
    else \
        echo ".env has been added to dockerignore; skipping copy; if you want to copy it, remove it from dockerignore."; \
    fi

# Change the working directory
WORKDIR ./app/

# Build the app (Make sure to use the local Nuxt binary from node_modules)
RUN npx nuxt generate

# Expose port
EXPOSE 3000

# Start the app (Make sure to use the local Nuxt binary from node_modules)
CMD npx nuxt start --hostname 0.0.0.0 --port 3000

Once your Dockerfile is copied to the root directory of your repository, you can create a pipeline from our dashboard and select the Docker runtime for it.

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