diff --git a/Dockerfile b/Dockerfile
index 7cc1534..ee7ddd7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,13 @@
 FROM python:3.7
 
+RUN useradd --create-home appuser
+
+COPY requirements.txt /home/appuser
+RUN pip install -r /home/appuser/requirements.txt
+
+
+WORKDIR /home/appuser
+USER appuser
+
 COPY bibcheck.py /
-CMD ["python", "bibcheck.py"]
+CMD ["python", "./bibcheck.py"]
diff --git a/requirements.txt b/requirements.txt
index f05f949..b4b3331 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,4 @@
 beautifulsoup4==4.8.0
-bs4==0.0.1
 certifi==2019.9.11
 chardet==3.0.4
 html5lib==1.0.1