diff --git a/.dockerignore b/.dockerignore
index a0f2473..fe3c2d1 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -7,7 +7,7 @@ tests
 __pycache__
 __init__.py
 README.md
-requirements.dev.txt
+requirements-dev.txt
 .gitignore
 Dockerfile
 .env.**
diff --git a/Dockerfile b/Dockerfile
index ffbea07..f4c1b0d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,15 +1,12 @@
 FROM python:3.13.5-bullseye
-
-WORKDIR /app/backend
-
+RUN apt update && apt install -y --no-install-recommends \
+    && rm -rf /var/lib/apt/lists/*
+RUN useradd -m backend-user
+WORKDIR /home/backend-user/backend
 COPY . .
-
-RUN apt update && apt upgrade -y
-
-RUN pip install --upgrade pip
-
-RUN pip install --no-cache-dir --no-input -r requirements.txt
-
+RUN pip install --upgrade pip \
+    && pip install --no-cache-dir --no-input -r requirements.txt
+RUN chown -R backend-user:backend-user /home/backend-user
+USER backend-user
 EXPOSE 80
-
 CMD ["fastapi", "run", "./app/main.py", "--host", "0.0.0.0", "--port", "80"]
\ No newline at end of file
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 38ae9f5..cf0d9f5 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -69,6 +69,7 @@ requests==2.32.4
 rich==14.0.0
 rich-toolkit==0.14.8
 rsa==4.9.1
+scikit-learn==1.6.1
 shellingham==1.5.4
 sniffio==1.3.1
 starlette==0.46.2
diff --git a/requirements.txt b/requirements.txt
index be38c1e..11ad6ac 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -61,6 +61,7 @@ requests==2.32.4
 rich==14.0.0
 rich-toolkit==0.14.8
 rsa==4.9.1
+scikit-learn==1.6.1
 shellingham==1.5.4
 sniffio==1.3.1
 starlette==0.46.2