diff --git a/features/profile/e2e/Dockerfile.frontend b/features/profile/e2e/Dockerfile.frontend
index c77a01729..ce247803b 100644
--- a/features/profile/e2e/Dockerfile.frontend
+++ b/features/profile/e2e/Dockerfile.frontend
@@ -30,7 +30,11 @@ RUN npm install --legacy-peer-deps && \
 # Copy frontend source
 COPY frontend-app/ ./
 
-# Build the application with Docker-specific config (no dev-only plugins)
+# Use Docker-specific configs (no monorepo dependencies)
+RUN mv tsconfig.json tsconfig.original.json && \
+    mv tsconfig.docker.json tsconfig.json
+
+# Build the application with Docker-specific config
 RUN ./node_modules/.bin/vite build --config vite.docker.config.ts
 
 # Set environment
@@ -39,5 +43,5 @@ ENV NODE_ENV=test
 # Expose port
 EXPOSE 5175
 
-# Serve the built application using Vite preview
-CMD ["./node_modules/.bin/vite", "preview", "--host", "0.0.0.0", "--port", "5175"]
+# Serve the built application using Vite preview with Docker config
+CMD ["./node_modules/.bin/vite", "preview", "--config", "vite.docker.config.ts", "--host", "0.0.0.0", "--port", "5175"]
diff --git a/features/sso/backend-api/Dockerfile b/features/sso/backend-api/Dockerfile
index 8831eadce..891284fb8 100755
--- a/features/sso/backend-api/Dockerfile
+++ b/features/sso/backend-api/Dockerfile
@@ -26,9 +26,12 @@ ARG NPM_REGISTRY=http://forge.nasty.sh/api/packages/lilith/npm/
 RUN corepack enable && corepack prepare pnpm@latest --activate
 RUN apk add --no-cache libc6-compat python3 make g++
 
-# Configure @lilith package registry
+# Configure @lilith package registry with sequential downloads
+# (prevents overwhelming the registry with parallel requests)
 RUN echo "@lilith:registry=${NPM_REGISTRY}" > .npmrc && \
-    echo "strict-ssl=false" >> .npmrc
+    echo "strict-ssl=false" >> .npmrc && \
+    echo "network-concurrency=1" >> .npmrc && \
+    echo "fetch-retries=5" >> .npmrc
 
 # =============================================================================
 # Development stage - Source mounted at runtime, HMR enabled