Dockerfile

# ── Stage 1: builder ──────────────────────────────────────────────────────────
FROM node:22-alpine AS builder
WORKDIR /app
COPY package.json package-lock.json* ./
RUN npm ci
COPY . .
RUN npm run build

# ── Stage 2: runtime ──────────────────────────────────────────────────────────
FROM nginx:alpine AS runtime

# Install envsubst (part of gettext)
RUN apk add --no-cache gettext

COPY --from=builder /app/dist /usr/share/nginx/html
COPY nginx/nginx.conf.template /etc/nginx/templates/nginx.conf.template
COPY docker-entrypoint.sh /docker-entrypoint.sh
RUN chmod +x /docker-entrypoint.sh

# Remove default nginx config
RUN rm -f /etc/nginx/conf.d/default.conf

EXPOSE 8080

HEALTHCHECK --interval=30s --timeout=10s --start-period=10s --retries=3 \
    CMD wget -qO- http://localhost:8080/ || exit 1

ENTRYPOINT ["/docker-entrypoint.sh"]