DockerFile

# Multi-stage Dockerfile for building an Astro project and serving with nginx

FROM node:20-bullseye AS builder
WORKDIR /app

# Install Python and PHP interpreters for build-time component execution
RUN apt-get update && apt-get install -y \
    python3 \
    python3-pip \
    php \
    && ln -s /usr/bin/python3 /usr/bin/python \
    && apt-get clean \
    && rm -rf /var/lib/apt/lists/*

# Use Corepack to enable pnpm (bundled with Node 20+)
RUN corepack enable && corepack prepare pnpm@latest --activate

# Install dependencies (use lockfile if present)
COPY package.json pnpm-lock.yaml ./
RUN pnpm install --frozen-lockfile --offline || pnpm install --frozen-lockfile

# Copy the rest of the source and build
COPY . .
RUN pnpm run build

FROM nginx:1.26-alpine AS runner
# Copy built static site from builder
COPY --from=builder /app/dist /usr/share/nginx/html

EXPOSE 80
HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 CMD wget -qO- http://localhost/ || exit 1

CMD ["nginx", "-g", "daemon off;"]