Fix(docker): Avoid error 'The configured user limit on the number of inotify instances has been reached' (#1564)

Author: rnwood

Dockerfile.linux

@@ -5,6 +5,7 @@ WORKDIR /
 ENV XDG_CONFIG_HOME /
 ENV ASPNETCORE_HTTP_PORTS 80
 ENV SERVEROPTIONS__URLS http://*:80
+ENV DOTNET_USE_POLLING_FILE_WATCHER true
 EXPOSE 80
 EXPOSE 25
 EXPOSE 143

Dockerfile.linux.arm64

@@ -5,6 +5,7 @@ WORKDIR /
 ENV XDG_CONFIG_HOME /
 ENV ASPNETCORE_HTTP_PORTS 80
 ENV SERVEROPTIONS__URLS http://*:80
+ENV DOTNET_USE_POLLING_FILE_WATCHER true
 EXPOSE 80
 EXPOSE 25
 EXPOSE 143