[docker-compose] add a temporary fix for LuaLatex compiles

docker-compose.yml

@@ -43,6 +43,10 @@ services:
             # Disables email confirmation requirement
             EMAIL_CONFIRMATION_DISABLED: 'true'
 
+            # temporary fix for LuaLaTex compiles
+            # see https://github.com/overleaf/overleaf/issues/695
+            TEXMFVAR: /var/lib/sharelatex/tmp/texmf-var
+
             ## Set for SSL via nginx-proxy
             #VIRTUAL_HOST: 103.112.212.22
 
@@ -126,12 +130,12 @@ services:
     #    container_name: ldap
     #    expose:
     #        - 389
-    
+
     # See https://github.com/jwilder/nginx-proxy for documentation on how to configure the nginx-proxy container,
     # and https://github.com/overleaf/overleaf/wiki/HTTPS-reverse-proxy-using-Nginx for an example of some recommended
     # settings. We recommend using a properly managed nginx instance outside of the Overleaf Server Pro setup,
     # but the example here can be used if you'd prefer to run everything with docker-compose
-    
+
     # nginx-proxy:
     #     image: jwilder/nginx-proxy
     #     container_name: nginx-proxy