Add root Dockerfile for Dokploy deployment

Dockerfile

@@ -0,0 +1,29 @@
+FROM oven/bun:1 as builder
+
+WORKDIR /app
+
+# Copy the entire repo
+COPY . .
+
+# Install dependencies for API
+WORKDIR /app/apps/api
+RUN bun install --frozen-lockfile
+
+# Production image
+FROM oven/bun:1-slim
+
+WORKDIR /app
+
+# Copy from builder
+COPY --from=builder /app/apps/api/node_modules ./node_modules
+COPY --from=builder /app/apps/api/package.json ./
+COPY --from=builder /app/apps/api/src ./src
+COPY --from=builder /app/apps/api/drizzle.config.ts ./
+
+# Set environment
+ENV NODE_ENV=production
+ENV PORT=3001
+
+EXPOSE 3001
+
+CMD ["sh", "-c", "bun run db:push && bun run start"]