# Frontend Development Dockerfile
# SICHERHEITS-OPTIMIERT: Non-root User
FROM node:18-alpine

# Non-root User erstellen (node-User existiert bereits)
RUN mkdir -p /app && chown -R node:node /app

WORKDIR /app

# Wechsle zu non-root User VOR Package-Installation
USER node

# Package files kopieren
COPY --chown=node:node package*.json ./
RUN npm ci

# Source code kopieren
COPY --chown=node:node . .

# Port exposieren
EXPOSE 3000

# Development server starten
CMD ["npm", "start"]