FROM alerta/alerta-web:8.5.0 RUN /venv/bin/pip install dnspython==2.1.0 RUN /venv/bin/pip install "git+https://github.com/alerta/alerta-contrib.git@856a900528711eca05ccc3586ffd1106e4d091e3#subdirectory=integrations/mailer" RUN /venv/bin/pip install "git+https://github.com/alerta/alerta-contrib.git@856a900528711eca05ccc3586ffd1106e4d091e3#subdirectory=plugins/rocketchat" RUN /venv/bin/pip install redis==3.5.3