Dockerfile

# Use Node.js 22 Debian as base image (instead of Alpine for glibc compatibility)
FROM node:22-slim AS base

# Install dependencies only when needed
FROM base AS deps
# Install system dependencies needed for native modules
RUN apt-get update && apt-get install -y \
    python3 \
    make \
    g++ \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

# Install dependencies based on the preferred package manager
COPY package.json package-lock.json* ./
RUN npm ci --only=production

# Rebuild the source code only when needed
FROM base AS builder
WORKDIR /app
COPY --from=deps /app/node_modules ./node_modules
COPY . .

# Build the application
RUN npm run build

# Production image, copy all the files and run nuxt
FROM base AS runner
WORKDIR /app

ENV NODE_ENV=production

# Install wget for health checks and ensure glibc is available
RUN apt-get update && apt-get install -y wget && rm -rf /var/lib/apt/lists/*

RUN groupadd --system --gid 1001 nodejs
RUN useradd --system --uid 1001 nuxtjs

# Copy the build output
COPY --from=builder --chown=nuxtjs:nodejs /app/.output /app/.output
COPY --from=builder --chown=nuxtjs:nodejs /app/package.json /app/package.json
# Copy email templates
COPY --from=builder --chown=nuxtjs:nodejs /app/server/templates /app/server/templates

USER nuxtjs

EXPOSE 3000

ENV PORT=3000
ENV HOST=0.0.0.0

CMD ["node", ".output/server/index.mjs"]