Dockerfile

FROM node:24-alpine AS base

# Install pnpm
RUN corepack enable && corepack prepare pnpm@latest --activate

# Install dependencies for Sharp (native module)
RUN apk add --no-cache \
    python3 \
    make \
    g++ \
    cairo-dev \
    jpeg-dev \
    pango-dev \
    giflib-dev \
    pixman-dev

WORKDIR /app

# Copy package files
COPY package.json pnpm-lock.yaml ./

# Install dependencies
FROM base AS dependencies
RUN --mount=type=cache,target=/root/.local/share/pnpm/store \
    pnpm install --frozen-lockfile

# Build stage
FROM base AS build
COPY --from=dependencies /app/node_modules ./node_modules
COPY . .
RUN pnpm build

# Runtime stage
FROM node:24-alpine AS runtime

# Install Sharp runtime dependencies only
RUN apk add --no-cache \
    cairo \
    jpeg \
    pango \
    giflib \
    pixman

WORKDIR /app

# Copy built application
COPY --from=build /app/dist ./dist
COPY --from=build /app/node_modules ./node_modules
COPY --from=build /app/package.json ./

# Create cache directory
RUN mkdir -p cache/images

# Run as non-root user
RUN addgroup -g 1000 astro && \
    adduser -D -u 1000 -G astro astro && \
    chown -R astro:astro /app

USER astro

ENV HOST=0.0.0.0
ENV PORT=3000

EXPOSE 3000

CMD ["node", "./dist/server/entry.mjs"]