Issue #97 - No such file or directory when building image

Author: ppodgorsek

Dockerfile

@@ -44,7 +44,7 @@ RUN pip install \
 # Download Gecko drivers directly from the GitHub repository
 RUN wget -q "https://github.com/mozilla/geckodriver/releases/download/$GECKO_DRIVER_VERSION/geckodriver-$GECKO_DRIVER_VERSION-linux64.tar.gz" \
       && tar xzf geckodriver-$GECKO_DRIVER_VERSION-linux64.tar.gz \
-      && mkdir /opt/robotframework/drivers/ \
+      && mkdir -p /opt/robotframework/drivers/ \
       && mv geckodriver /opt/robotframework/drivers/geckodriver \
       && rm geckodriver-$GECKO_DRIVER_VERSION-linux64.tar.gz