Feature: move portcheck into python application (#187)

* moved port check from shell script into the python application
* fixed pulseaudio check console output
* portcheck has now 15 chances to get the port before abort

docker-entrypoint.sh

@@ -86,7 +86,7 @@ fi
 CP_MAX_RETRIES=30
 CP_RETRY_DELAY=1
 ### while maybe besser?
-echo "Checking port $PORT..."
+echo "Checking PulseAudio service status..."
 for i in $(seq 1 $CP_MAX_RETRIES); do
   # Check if PulseAudio is running
   if pactl info >/dev/null 2>&1; then
@@ -102,28 +102,7 @@ for i in $(seq 1 $CP_MAX_RETRIES); do
   echo "⏳ PulseAudio not running yet, retrying in $CP_RETRY_DELAY s..."
   sleep $CP_RETRY_DELAY
 done
-
-
-### Check port availability
-# PORT variable is used from env
-PA_MAX_RETRIES=30
-PA_RETRY_DELAY=2
-echo "Checking port $PORT..."
-for i in $(seq 1 $PA_MAX_RETRIES); do
-  # Wait for port to be free (in case of rapid restarts)
-  if ! ss -tln | grep -q ":${PORT} "; then
-      echo "Port $PORT is available"
-      break
-  fi
-
-  if [ $i -eq $PA_MAX_RETRIES ]; then
-      echo "ERROR: Port $PORT still in use after $((PA_MAX_RETRIES * PA_RETRY_DELAY)) seconds"
-      exit 2
-  fi
-
-  echo "Attempt $i/$PA_MAX_RETRIES: Port $PORT in use, waiting ${PA_RETRY_DELAY}s..."
-  sleep $PA_RETRY_DELAY
-done
+echo "✅ PulseAudio is running"
 
 
 ### Start application