fixed federation

Dockerfile

@@ -38,6 +38,8 @@ RUN pip3 install --upgrade setuptools
 RUN pip3 install psycopg2-binary python-ldap matrix-synapse-ldap3 lxml netaddr twisted jinja2 bleach bcrypt
 RUN pip3 install https://github.com/matrix-org/synapse/archive/${MATRIXVERSION}.tar.gz
 
+COPY index.html /app/code/nginx
+
 RUN chown -R www-data.www-data /app/code
 
 ADD start_matrix.sh /app/