diff --git a/Dockerfile b/Dockerfile
index 619fc17..f89b10c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -17,25 +17,25 @@ COPY . .
 ARG NEXT_PUBLIC_AMAP_API_KEY
 ENV NEXT_PUBLIC_AMAP_API_KEY=${NEXT_PUBLIC_AMAP_API_KEY}
 RUN npx prisma generate
+ENV DATABASE_URL="file:./template.db"
+RUN npx prisma db push
 RUN npm run build
 
 # --- Production ---
 FROM base AS runner
 WORKDIR /app
 ENV NODE_ENV=production
+RUN apk add --no-cache sqlite
 RUN addgroup --system --gid 1001 nodejs
 RUN adduser --system --uid 1001 nextjs
 
 COPY --from=builder /app/public ./public
 COPY --from=builder /app/prisma ./prisma
+COPY --from=builder /app/prisma/template.db ./template.db
 
 COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
 COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static
 
-# Prisma CLI + engines for schema sync on startup
-COPY --from=deps /app/node_modules/prisma ./node_modules/prisma
-COPY --from=deps /app/node_modules/@prisma ./node_modules/@prisma
-
 COPY docker-entrypoint.sh ./
 RUN chmod +x docker-entrypoint.sh
 
diff --git a/docker-entrypoint.sh b/docker-entrypoint.sh
index 6167b1c..43f7614 100644
--- a/docker-entrypoint.sh
+++ b/docker-entrypoint.sh
@@ -1,14 +1,36 @@
 #!/bin/sh
 set -e
 
+TEMPLATE="/app/template.db"
 DB="/app/data/prod.db"
 
 if [ ! -f "$DB" ]; then
-  echo "[db] First run — initializing database"
+  echo "[db] First run — creating database from template"
+  cp "$TEMPLATE" "$DB"
+  exec node server.js
 fi
 
 echo "[db] Syncing schema..."
-node ./node_modules/prisma/build/index.js db push --skip-generate --accept-data-loss 2>&1
-echo "[db] Schema sync complete"
 
+# Schema already contains "CREATE TABLE IF NOT EXISTS" from Prisma.
+# Only indexes need the IF NOT EXISTS addition.
+sqlite3 "$TEMPLATE" ".schema" | \
+  sed 's/CREATE INDEX /CREATE INDEX IF NOT EXISTS /g' | \
+  sed 's/CREATE UNIQUE INDEX /CREATE UNIQUE INDEX IF NOT EXISTS /g' | \
+  sqlite3 "$DB"
+
+# Add missing columns to existing tables
+for table in $(sqlite3 "$TEMPLATE" "SELECT name FROM sqlite_master WHERE type='table' AND name NOT LIKE 'sqlite_%' AND name NOT LIKE '_prisma%'"); do
+  prod_cols=$(sqlite3 "$DB" "PRAGMA table_info('$table')" | cut -d'|' -f2)
+
+  sqlite3 "$TEMPLATE" "PRAGMA table_info('$table')" | while IFS='|' read -r _cid name type notnull dflt _pk; do
+    if ! echo "$prod_cols" | grep -qx "$name"; then
+      alter="ALTER TABLE \"$table\" ADD COLUMN \"$name\" $type"
+      [ -n "$dflt" ] && alter="$alter DEFAULT $dflt"
+      sqlite3 "$DB" "$alter" && echo "[db] + $table.$name" || echo "[db] WARN: failed to add $table.$name"
+    fi
+  done
+done
+
+echo "[db] Schema sync complete"
 exec node server.js