[wait.sh] : auto detect db port

diff --git a/misc/wait.sh b/misc/wait.sh
index 26a309f425b35fd0b981f1750b4b0b315d45126c..af588e94e87ffd1642f8c362c342746e1f93d6d1 100755 (executable)
--- a/misc/wait.sh
+++ b/misc/wait.sh
@@ -5,8 +5,8 @@ set -e
 apt update
 apt install -y netcat
 
-HOST=db
-PORT=5432
+HOST=$(env | grep _TCP_ADDR | cut -d = -f 2)
+PORT=$(env | grep _TCP_PORT | cut -d = -f 2)  
 
 echo -n "waiting for TCP connection to $HOST:$PORT..."