Nuxt ENV not working in docker container

# Use an official node image as the base image
FROM oven/bun:1 as builder
WORKDIR /usr/src/app

# Set the working directory
WORKDIR /app

# Copy package.json
COPY package*.json ./

# Install dependencies
RUN bun i

# Copy the rest of the application files
COPY . .

# Build the application
RUN bun run build

# Use a smaller image for the production environment
FROM node:22.3.0-alpine3.20

# Set the working directory
WORKDIR /app

# Copy only the necessary files for running the application
COPY --from=builder /app/node_modules ./node_modules
COPY --from=builder /app/.output ./.output
COPY --from=builder /app/package*.json ./

# Expose the port the app runs on
EXPOSE 3000

# Command to run the application
CMD ["node", ".output/server/index.mjs"]

services:
    db:
        image: postgres:15
        container_name: 'postgres_db'
        environment:
            POSTGRES_DB: spenser
            POSTGRES_USER: admin
            POSTGRES_PASSWORD: 1234
        ports:
            - 5432:5432

    app:
        build: .
        container_name: 'spenser'
        ports:
            - 3000:3000
        environment:
            JWT_SECRET: changeme
            DB_NAME: spenser
            DB_HOST: db
            DB_USER: admin
            DB_PASSWORD: 1234
            DB_PORT: 5432
        depends_on:
            - db