Revert "removed mount from dockerfiles"

This reverts commit 0b561fa.

Author: Rafi-Microsoft

src/App/Dockerfile

@@ -34,7 +34,8 @@ WORKDIR /app
 COPY pyproject.toml requirements.txt* uv.lock* ./
 
 # Install Python dependencies using UV
-RUN if [ -f "requirements.txt" ]; then \
+RUN --mount=type=cache,target=/root/.cache/uv \
+    if [ -f "requirements.txt" ]; then \
       uv pip install --system -r requirements.txt && uv pip install --system "uvicorn[standard]";  \
     else \
       uv pip install --system pyproject.toml && uv pip install --system "uvicorn[standard]"; \

src/backend/Dockerfile

@@ -8,15 +8,17 @@ ENV UV_COMPILE_BYTECODE=1 UV_LINK_MODE=copy
 
 WORKDIR /app
 
-# Copy lock and project files first for better layer caching
-COPY uv.lock pyproject.toml /app/
-
 # Install the project's dependencies using the lockfile and settings
-RUN uv sync --frozen --no-install-project --no-dev
+RUN --mount=type=cache,target=/root/.cache/uv \
+    --mount=type=bind,source=uv.lock,target=uv.lock \
+    --mount=type=bind,source=pyproject.toml,target=pyproject.toml \
+    uv sync --frozen --no-install-project --no-dev
+#RUN uv sync --frozen --no-install-project --no-dev
 
 # Backend app setup
 COPY . /app  
-RUN uv sync --frozen --no-dev
+RUN --mount=type=cache,target=/root/.cache/uv uv sync --frozen --no-dev
+#RUN uv sync --frozen --no-dev
 
 
 FROM base