diff --git a/agentex/Dockerfile b/agentex/Dockerfile
index ea3e8d5b..db30928d 100644
--- a/agentex/Dockerfile
+++ b/agentex/Dockerfile
@@ -1,5 +1,5 @@
 FROM 022465994601.dkr.ecr.us-west-2.amazonaws.com/golden/chainguard/python:3.12-dev AS base
-ARG SOURCE_DIR=public/agentex
+ARG SOURCE_DIR=agentex
 
 # Install uv package manager
 COPY --from=ghcr.io/astral-sh/uv:0.6.9 /uv /uvx /bin/
@@ -16,20 +16,22 @@ RUN apk add --no-cache \
 
 WORKDIR /app
 
-# Copy dependency management files
-COPY ${SOURCE_DIR}/pyproject.toml ${SOURCE_DIR}/README.md ./
+# Copy dependency management files (workspace root + member + lockfile for reproducible builds)
+COPY pyproject.toml /app/pyproject.toml
+COPY uv.lock /app/uv.lock
+COPY ${SOURCE_DIR}/pyproject.toml ${SOURCE_DIR}/README.md ./${SOURCE_DIR}/
 
 # Install core dependencies to system Python (Chainguard prefix is /usr)
 ENV UV_PROJECT_ENVIRONMENT=/usr
-RUN uv sync --no-dev
+RUN uv sync --frozen --no-dev --package agentex-backend
 
 # Development stage (for docker-compose)
 FROM base AS dev
 ENTRYPOINT []
-ARG SOURCE_DIR=public/agentex
+ARG SOURCE_DIR=agentex
 
 # Install dev dependencies to system Python
-RUN uv sync --group dev
+RUN uv sync --frozen --group dev --package agentex-backend
 
 COPY ${SOURCE_DIR}/src/ ./src/
 EXPOSE 5003
@@ -38,10 +40,10 @@ CMD ["ddtrace-run", "uvicorn", "src.api.app:app", "--host", "0.0.0.0", "--port",
 
 # Docs builder stage
 FROM base AS docs-builder
-ARG SOURCE_DIR=public/agentex
+ARG SOURCE_DIR=agentex
 
 # Install docs dependencies to system Python
-RUN uv sync --group docs
+RUN uv sync --frozen --group docs --package agentex-backend
 
 COPY ${SOURCE_DIR}/docs/ docs/
 COPY ${SOURCE_DIR}/src/ src/
@@ -52,7 +54,7 @@ RUN cd docs && mkdocs build
 FROM 022465994601.dkr.ecr.us-west-2.amazonaws.com/golden/chainguard/python:3.12-dev AS production
 ENTRYPOINT []
 ARG INCLUDE_DOCS=false
-ARG SOURCE_DIR=public/agentex
+ARG SOURCE_DIR=agentex
 
 # Install runtime system dependencies only (no build tools)
 USER root