es funktioniert!

src/myaktion/Dockerfile

 FROM golang:1.20-buster
 WORKDIR /go/src/app
 COPY . .
-RUN ls -l
 RUN go mod download
 RUN go install
 RUN chmod +x ./wait-for-it.sh ./docker-entrypoint.sh

src/myaktion/docker-entrypoint.sh

@@ -5,8 +5,8 @@ set -e
 
 # Wait for DB
 if [ -n "$DB_CONNECT" ]; then
-	/go/src/app/wait-for-it.sh "$DB_CONNECT" -t 20
+	/go/src/app/wait-for-it.sh "$DB_CONNECT" -t 40
 fi
 
 # Run the main container command.
-exec "$@"
+exec "$@"
\ No newline at end of file

src/myaktion/wait-for-it.sh

@@ -179,4 +179,4 @@ if [[ $WAITFORIT_CLI != "" ]]; then
     exec "${WAITFORIT_CLI[@]}"
 else
     exit $WAITFORIT_RESULT
-fi
+fi
\ No newline at end of file