diff --git a/Dockerfile b/Dockerfile
index 7b0f4d0..570b8dd 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,12 +3,25 @@ FROM python:3.12.10-alpine3.21
 ARG APP_DIR=/opt/app
 
 RUN \
-  mkdir -p $APP_DIR 
+  adduser -s /bin/sh -D user \
+  mkdir -p $APP_DIR \
+  chown user:user $APP_DIR
+
+USER user
+WORKDIR $APP_DIR
+
+COPY src/requirements.txt .
+COPY src/sbom-dt-dd.py .
+COPY dependencytrack-client/ ./dependencytrack-client
+COPY defectdojo-client/ ./defectdojo-client
+
+RUN \
+  python -m venv .venv \
+  . ./.venv/bin/activate \
+  pip install -r requirements.txt \
+  pip install -r dependencytrack-client\requirements.txt \
+  pip install -r defectdojo-client\requirements.txt
 
-COPY src/requirements.txt $APP_DIR
-COPY src/sbom-dt-dd.py $APP_DIR
-COPY dependencytrack-client/ $APP_DIR/dependencytrack-client
-COPY defectdojo-client/ $APP_DIR/defectdojo-client