diff --git a/run_dev.sh b/run_dev.sh
index 2d39c77..c1262e1 100755
--- a/run_dev.sh
+++ b/run_dev.sh
@@ -1,5 +1,18 @@
-export NODE_ENV=development
-cd types && yarn install && yarn openapi-ts
-cd server && yarn install && yarn start &
-cd client && yarn install && yarn start &
-wait
\ No newline at end of file
+#!/bin/bash
+# Spustí server a klienta v samostatných panelech uvnitř stejného tmux okna.
+# Pokud už daná tmux session existuje, pouze se k ní připojí.
+
+SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
+
+SESSION="luncher"
+
+if ! tmux has-session -t $SESSION 2>/dev/null; then
+    cd types && yarn openapi-ts && cd ..
+    tmux new-session -d -s $SESSION
+    tmux send-keys -t $SESSION:0 "cd $SCRIPT_DIR" Enter
+    tmux split-window -v
+    tmux send-keys -t $SESSION:0.0 "cd server && export NODE_ENV=development && yarn startReload" Enter
+    tmux send-keys -t $SESSION:0.1 "cd client && yarn start" Enter
+fi
+
+tmux attach-session -t $SESSION
\ No newline at end of file