diff --git a/Dockerfile b/Dockerfile
index 569c9b4..9945b94 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,6 @@
 FROM node:20-alpine AS base
 
 ENV TZ=Asia/Tehran
-ENV NODE_ENV=production
 
 RUN apk add --no-cache tzdata
 RUN corepack enable
@@ -10,14 +9,16 @@ WORKDIR /app
 
 
 # -----------------------
-# Install ALL dependencies (important for build)
+# Install ALL dependencies (dev + prod) for the build
 # -----------------------
 FROM base AS deps
 
 COPY package.json yarn.lock ./
 
-# IMPORTANT: force devDependencies inclusion
-RUN yarn install --frozen-lockfile --production=false
+# NODE_ENV must not be "production" here — otherwise devDependencies
+# (e.g. @nestjs/cli) are skipped and "nest build" fails.
+ENV NODE_ENV=development
+RUN yarn install --frozen-lockfile
 
 
 # -----------------------
@@ -27,17 +28,12 @@ FROM base AS builder
 
 WORKDIR /app
 
+ENV NODE_ENV=development
+
 COPY package.json yarn.lock nest-cli.json tsconfig.json tsconfig.build.json ./
 COPY --from=deps /app/node_modules ./node_modules
 COPY src ./src
 
-# 🔥 GUARANTEE nest CLI exists (fixes your error)
-RUN yarn add -D @nestjs/cli
-
-# 🔥 SAFETY CHECK (optional but helpful)
-RUN npx nest --version
-
-# Build
 RUN yarn build \
   && mkdir -p dist/config \
   && cp src/config/swagger.json dist/config/
@@ -50,6 +46,7 @@ FROM base AS prod-deps
 
 COPY package.json yarn.lock ./
 
+ENV NODE_ENV=production
 RUN yarn install --frozen-lockfile --production=true
 
 
@@ -72,4 +69,4 @@ USER appuser
 
 EXPOSE 3000
 
-CMD ["node", "dist/main"]
\ No newline at end of file
+CMD ["node", "dist/main"]
diff --git a/delearn.archive b/delearn.archive
new file mode 100644
index 0000000..26bc8f8
Binary files /dev/null and b/delearn.archive differ