chore: bootstrap development environment

Dockerfile

@@ -0,0 +1,46 @@
+# syntax=docker/dockerfile:1
+
+FROM node:22-bookworm-slim AS base
+WORKDIR /app
+ENV CI=true
+
+FROM base AS deps
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends python3 make g++ \
+    && rm -rf /var/lib/apt/lists/*
+COPY package.json package-lock.json ./
+RUN npm ci
+
+FROM base AS dev
+ENV NODE_ENV=development
+COPY --from=deps /app/node_modules ./node_modules
+COPY . .
+EXPOSE 5173
+CMD ["npm", "run", "dev"]
+
+FROM base AS build
+ENV NODE_ENV=production
+COPY --from=deps /app/node_modules ./node_modules
+COPY . .
+RUN npm run build
+RUN npm prune --omit=dev
+
+FROM node:22-bookworm-slim AS runtime
+WORKDIR /app
+ENV NODE_ENV=production \
+    HOST=0.0.0.0 \
+    PORT=3000 \
+    DATABASE_URL=/app/data/holodream.db
+COPY --from=build /app/build ./build
+COPY --from=build /app/drizzle ./drizzle
+COPY --from=build /app/node_modules ./node_modules
+COPY --from=build /app/package.json ./package.json
+COPY docker/entrypoint.sh /usr/local/bin/holodream-entrypoint
+RUN chmod +x /usr/local/bin/holodream-entrypoint \
+    && mkdir -p /app/data \
+    && chown -R node:node /app
+EXPOSE 3000
+HEALTHCHECK --interval=10s --timeout=3s --start-period=10s --retries=5 \
+  CMD node -e "fetch('http://127.0.0.1:3000/api/health').then((response) => { if (!response.ok) process.exit(1); }).catch(() => process.exit(1))"
+ENTRYPOINT ["holodream-entrypoint"]
+CMD ["node", "build"]