Moved install commands to docker file

Dockerfile

@@ -1,3 +1,7 @@
 FROM python:3
+
+RUN pip install --no-cache-dir -q --upgrade pip
+RUN pip install --no-cache-dir -q autopep8
+
 COPY entrypoint.sh /entrypoint.sh
 ENTRYPOINT ["/entrypoint.sh"]

entrypoint.sh

@@ -21,8 +21,8 @@ EOF
 }
 
 echo "Installing autopep8..."
-sudo pip install -q --upgrade pip
-sudo pip install -q autopep8
+pip install -q --upgrade pip
+pip install -q autopep8
 
 echo "Running autopep8..."
 autopep8 -i -r $INPUT_CHECKPATH $INPUT_OPTIONS || echo "Problem running autopep8!"