diff --git a/config/puma.rb b/config/puma.rb
index cf5a9ca5..7f4e6edd 100644
--- a/config/puma.rb
+++ b/config/puma.rb
@@ -23,8 +23,15 @@
 # terminating a worker in development environments.
 worker_timeout 3600 if ENV.fetch('RAILS_ENV', 'development') == 'development'
 
-# Specifies the `port` that Puma will listen on to receive requests; default is 3000.
-port Sagittarius::Configuration.config[:rails][:web][:port]
+# Specify either a `bind` or `port` to listen on.
+bind_uri = Sagittarius::Configuration.config[:rails][:web][:bind]
+port_number = Sagittarius::Configuration.config[:rails][:web][:port]
+
+if bind_uri
+  bind bind_uri
+else
+  port port_number
+end
 
 # Specifies the `environment` that Puma will run in.
 environment ENV.fetch('RAILS_ENV', 'development')
diff --git a/config/sagittarius.example.yml b/config/sagittarius.example.yml
index fa6202d1..2648f9d3 100644
--- a/config/sagittarius.example.yml
+++ b/config/sagittarius.example.yml
@@ -10,6 +10,7 @@ rails:
     password: changeme
   web:
     port: 3000
+    bind: # For example: tcp://0.0.0.0:3000
     force_ssl:
   grpc:
     host: '0.0.0.0:50051'
diff --git a/lib/sagittarius/configuration.rb b/lib/sagittarius/configuration.rb
index 10fb653a..0dcb0eb8 100644
--- a/lib/sagittarius/configuration.rb
+++ b/lib/sagittarius/configuration.rb
@@ -24,6 +24,7 @@ def self.defaults
           web: {
             port: 3000,
             force_ssl: nil,
+            bind: nil,
           },
           grpc: {
             host: '0.0.0.0:50051',