make bind address configurable #182
Merged
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This adds a command line option/environment variable to control the bind address. Previously it was always left blank, causing the server to listen on all addresses. This is still the default behavior. The primary use-case I see for this is for when a user wants the server to only be accessible from localhost (so bind to 127.0.0.1). Another possible use-case would be when a server has both publicly accessible interfaces and internal interfaces, though I expect this configuration is uncommon.