Update Dockerfile

Dockerfile

@@ -1,22 +1,6 @@
-FROM docker-mirror.ravanertebat.ir/ghcr/cirruslabs/flutter:3.38.10 AS base
+FROM nginx:1.25-alpine
 
-WORKDIR /app
-RUN flutter config --enable-web
-
-FROM base AS deps
-COPY pubspec.yaml pubspec.lock ./
-RUN flutter pub get
-
-FROM base AS builder
-# Pull in the resolved package config from deps so `flutter pub get` is not
-# re-run when only source files change.
-COPY --from=deps /app/.dart_tool ./.dart_tool
-COPY . .
-RUN flutter build web --release --output=build/tm_pwa
-
-FROM docker-mirror.ravanertebat.ir/hub/nginx:1.25.2-alpine3.18-slim AS runner
-
-COPY --from=builder /app/build/tm_pwa /usr/share/nginx/html
+COPY build/tm_pwa /usr/share/nginx/html
 
 EXPOSE 80