diff --git a/admin-lehrer/.gitignore b/admin-lehrer/.gitignore
new file mode 100644
index 0000000..9867a52
--- /dev/null
+++ b/admin-lehrer/.gitignore
@@ -0,0 +1,2 @@
+# Symlink to shared/ (Docker COPY handles this in container)
+shared
diff --git a/admin-lehrer/Dockerfile b/admin-lehrer/Dockerfile
index 735985c..6bce771 100644
--- a/admin-lehrer/Dockerfile
+++ b/admin-lehrer/Dockerfile
@@ -9,9 +9,9 @@ COPY admin-lehrer/package.json admin-lehrer/package-lock.json* ./
 # Install dependencies
 RUN npm install
 
-# Copy source code + shared types (../shared/ relative to /app)
+# Copy source code + shared types (inside project for Turbopack)
 COPY admin-lehrer/ .
-COPY shared/ ../shared/
+COPY shared/ ./shared/
 
 # Build arguments for environment variables
 ARG NEXT_PUBLIC_API_URL
diff --git a/studio-v2/.gitignore b/studio-v2/.gitignore
new file mode 100644
index 0000000..9867a52
--- /dev/null
+++ b/studio-v2/.gitignore
@@ -0,0 +1,2 @@
+# Symlink to shared/ (Docker COPY handles this in container)
+shared
diff --git a/studio-v2/Dockerfile b/studio-v2/Dockerfile
index 52c0ca3..483948b 100644
--- a/studio-v2/Dockerfile
+++ b/studio-v2/Dockerfile
@@ -9,9 +9,9 @@ COPY studio-v2/package.json studio-v2/package-lock.json* ./
 # Install dependencies
 RUN npm install
 
-# Copy source files + shared types (../shared/ relative to /app)
+# Copy source files + shared types (inside project for Turbopack)
 COPY studio-v2/ .
-COPY shared/ ../shared/
+COPY shared/ ./shared/
 
 # Build arguments for environment variables (needed at build time for Next.js)
 ARG NEXT_PUBLIC_VOICE_SERVICE_URL
diff --git a/website/.gitignore b/website/.gitignore
new file mode 100644
index 0000000..9867a52
--- /dev/null
+++ b/website/.gitignore
@@ -0,0 +1,2 @@
+# Symlink to shared/ (Docker COPY handles this in container)
+shared
diff --git a/website/Dockerfile b/website/Dockerfile
index 0f3ea4c..3c93ba2 100644
--- a/website/Dockerfile
+++ b/website/Dockerfile
@@ -9,9 +9,9 @@ COPY website/package.json website/package-lock.json* ./
 # Install dependencies
 RUN npm install
 
-# Copy source code + shared types
+# Copy source code + shared types (inside project for Turbopack)
 COPY website/ .
-COPY shared/ ../shared/
+COPY shared/ ./shared/
 
 # Build arguments for environment variables
 ARG NEXT_PUBLIC_BILLING_API_URL