diff --git a/Dockerfile b/Dockerfile
index d7226dc..612aecd 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:2-alpine
+FROM python:3-alpine
 
 COPY nginx-ldap-auth-daemon.py /usr/src/app/
 
@@ -11,6 +11,11 @@ RUN \
     pip install python-ldap && \
     apk del build-dependencies
 
+# If you need to add your own certs, copy them in here and uncomment
+#RUN apk add ca-certificates && rm -rf /var/cache/apk/*
+#COPY ./certs/*.pem /usr/local/share/ca-certificates/
+#RUN update-ca-certificates
+
 EXPOSE 8888
 
 CMD ["python", "/usr/src/app/nginx-ldap-auth-daemon.py", "--host", "0.0.0.0", "--port", "8888"]