feat(app): remove docker compose, build standalone images

Dockerfile.standalone

@@ -0,0 +1,35 @@
+FROM node:24.5.0-slim AS builder
+
+RUN apt-get update && apt-get install -y python3 python3-pip sqlite3 && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /home/perplexica
+
+COPY package.json yarn.lock ./
+RUN yarn install --frozen-lockfile --network-timeout 600000
+
+COPY tsconfig.json next.config.mjs next-env.d.ts postcss.config.js drizzle.config.ts tailwind.config.ts ./
+COPY src ./src
+COPY public ./public
+COPY drizzle ./drizzle
+
+RUN mkdir -p /home/perplexica/data
+RUN yarn build
+
+FROM node:24.5.0-slim
+
+RUN apt-get update && apt-get install -y python3 python3-pip sqlite3 && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /home/perplexica
+
+COPY --from=builder /home/perplexica/public ./public
+COPY --from=builder /home/perplexica/.next/static ./public/_next/static
+
+COPY --from=builder /home/perplexica/.next/standalone ./
+COPY --from=builder /home/perplexica/data ./data
+COPY drizzle ./drizzle
+
+RUN mkdir /home/perplexica/uploads
+
+EXPOSE 3000
+
+CMD ["node", "server.js"]