diff --git a/run-dev.sh b/run-dev.sh
index 8e1a213..0eb14c4 100755
--- a/run-dev.sh
+++ b/run-dev.sh
@@ -35,6 +35,7 @@ Options:
   -k, --kill    Kill existing instance and exit
   -s, --status  Check if an instance is running
   -r, --release Build and run in release mode
+  --public      Bind to 0.0.0.0 instead of 127.0.0.1
 
 Examples:
   $0                     # Build and run both
@@ -70,17 +71,19 @@ print_server_info() {
 	local mode="$1"
 	local build_type="Debug"
 	[ "$RELEASE" = "true" ] && build_type="Release"
+	local bind_addr="127.0.0.1"
+	[ "$PUBLIC" = "true" ] && bind_addr="0.0.0.0"
 	echo ""
 	echo "========================================"
 	echo "  Chattyness Development ($mode - $build_type)"
 	echo "========================================"
 	echo ""
 	if run_owner; then
-		echo "  Owner Admin: http://127.0.0.1:$OWNER_PORT"
+		echo "  Owner Admin: http://$bind_addr:$OWNER_PORT"
 	fi
 	if run_app; then
-		echo "  User App:    http://127.0.0.1:$APP_PORT"
-		echo "  Realm Admin: http://127.0.0.1:$APP_PORT/admin"
+		echo "  User App:    http://$bind_addr:$APP_PORT"
+		echo "  Realm Admin: http://$bind_addr:$APP_PORT/admin"
 	fi
 	echo ""
 	if [ "$TARGET" = "both" ]; then
@@ -225,6 +228,9 @@ do_watch() {
 	local release_flag=""
 	[ "$RELEASE" = "true" ] && release_flag="--release"
 
+	local bind_addr="127.0.0.1"
+	[ "$PUBLIC" = "true" ] && bind_addr="0.0.0.0"
+
 	# Build owner first to create CSS (needed if user app needs admin CSS)
 	if run_owner; then
 		echo "Building owner app first (for admin CSS)..."
@@ -234,12 +240,12 @@ do_watch() {
 
 	# Start watch processes
 	if run_owner; then
-		cargo leptos watch -p chattyness-owner $release_flag &
+		HOST="$bind_addr" cargo leptos watch -p chattyness-owner $release_flag &
 		OWNER_PID=$!
 	fi
 
 	if run_app; then
-		cargo leptos watch -p chattyness-app --split $release_flag &
+		HOST="$bind_addr" cargo leptos watch -p chattyness-app --split $release_flag &
 		APP_PID=$!
 	fi
 
@@ -279,15 +285,18 @@ do_build() {
 	fi
 
 	# Start servers
+	local bind_addr="127.0.0.1"
+	[ "$PUBLIC" = "true" ] && bind_addr="0.0.0.0"
+
 	if run_owner; then
-		echo "Starting Owner Server on :$OWNER_PORT..."
-		./target/$target_dir/chattyness-owner &
+		echo "Starting Owner Server on $bind_addr:$OWNER_PORT..."
+		HOST="$bind_addr" ./target/$target_dir/chattyness-owner &
 		OWNER_PID=$!
 	fi
 
 	if run_app; then
-		echo "Starting App Server on :$APP_PORT..."
-		./target/$target_dir/chattyness-app &
+		echo "Starting App Server on $bind_addr:$APP_PORT..."
+		HOST="$bind_addr" ./target/$target_dir/chattyness-app &
 		APP_PID=$!
 	fi
 
@@ -306,6 +315,7 @@ FORCE="false"
 KILL_EXISTING="false"
 CHECK_STATUS="false"
 RELEASE="false"
+PUBLIC="false"
 
 for arg in "$@"; do
 	case $arg in
@@ -333,6 +343,9 @@ for arg in "$@"; do
 	-r | --release)
 		RELEASE="true"
 		;;
+	--public)
+		PUBLIC="true"
+		;;
 	--help | -h)
 		usage
 		;;