fix: perbaiki Dockerfile - lockfile, bunfig.toml, dan path build output

- Ganti bun.lock → bun.lockb (nama file yang benar)
- Hapus bunfig.toml dari COPY (file tidak ada)
- Ganti /app/dist → /app/.next (output Next.js build)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Dockerfile

@@ -11,7 +11,7 @@ WORKDIR /app
 # ---- deps ----
 FROM base AS deps
 
-COPY package.json bun.lock ./
+COPY package.json bun.lockb ./
 RUN bun install --frozen-lockfile
 
 # ---- builder ----
@@ -22,9 +22,7 @@ RUN bunx prisma generate
 
 COPY src ./src
 COPY types ./types
-COPY tsconfig.json bunfig.toml ./
-
-
+COPY tsconfig.json ./
 
 # BUN_PUBLIC_* vars are baked into the browser bundle at build time
 ARG BUN_PUBLIC_BASE_URL
@@ -34,15 +32,15 @@ RUN bun run build
 # ---- runner ----
 FROM base AS runner
 
-COPY package.json bun.lock ./
+COPY package.json bun.lockb ./
 RUN bun install --production
 
 COPY --from=builder /app/generated ./generated
-COPY --from=builder /app/dist ./dist
+COPY --from=builder /app/.next ./.next
 COPY src ./src
 COPY prisma ./prisma
 COPY types ./types
-COPY tsconfig.json bunfig.toml ./
+COPY tsconfig.json ./
 
 ENV NODE_ENV=production
 EXPOSE 3000