Add Docker Compose deployment

Full node_modules image (not output: standalone — its file-tracing drops
argon2's JS loader and segfaults in prod). drizzle.config.ts now honors
DATA_DIR like the sibling projects, so db:migrate targets the mounted
volume instead of an image-local path.

.dockerignore

@@ -0,0 +1,7 @@
+node_modules
+.next
+.git
+data
+*.env
+!.env.example
+*.tsbuildinfo

Dockerfile

@@ -0,0 +1,31 @@
+FROM node:20-bookworm-slim
+
+# python3/make/g++ let npm fall back to compiling better-sqlite3/argon2 from
+# source if no prebuilt binary matches this platform.
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    python3 make g++ ca-certificates \
+    && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /app
+
+COPY package.json package-lock.json* ./
+RUN npm install
+
+COPY . .
+
+# next.config.ts: not using output: "standalone" — its file-tracing only
+# copies argon2's native .node binaries, not its JS loader, which segfaults
+# in production. Deploying against the full node_modules via `next start`
+# (this whole image, no standalone pruning) avoids that.
+#
+# `next build`'s page-data collection spins up parallel workers that each
+# import the db client at module-eval time. If data/db.sqlite doesn't exist
+# yet, every worker races to create it from scratch, which can throw
+# SQLITE_BUSY. Migrating first, as its own isolated step, avoids the race.
+RUN mkdir -p data && npm run db:migrate
+RUN npm run build
+
+ENV NODE_ENV=production
+EXPOSE 8180
+
+CMD ["sh", "-c", "npm run db:migrate && npm start"]

docker-compose.yml

@@ -0,0 +1,18 @@
+name: project-claude
+
+services:
+  app:
+    build: .
+    ports:
+      - "8180:8180"
+    env_file:
+      - .env
+    environment:
+      - PORT=8180
+      - DATA_DIR=/data
+    volumes:
+      - data:/data
+    restart: unless-stopped
+
+volumes:
+  data:

drizzle.config.ts

@@ -1,10 +1,13 @@
 import { defineConfig } from "drizzle-kit";
+import path from "node:path";
+
+const dataDir = process.env.DATA_DIR ?? path.join(process.cwd(), "data");
 
 export default defineConfig({
   out: "./src/lib/db/migrations",
   schema: "./src/lib/db/schema.ts",
   dialect: "sqlite",
   dbCredentials: {
-    url: "./data/db.sqlite",
+    url: path.join(dataDir, "db.sqlite"),
   },
 });