From 81dd41546d7bca9a8c09e91ccab57436374cf21a Mon Sep 17 00:00:00 2001
From: David Hiendl <david.hiendl@dhswt.de>
Date: Tue, 6 Dec 2022 16:04:24 +0100
Subject: [PATCH] drone/ContainerImageDocker: replaced fixed wait time with
 ready-check loop

---
 drone/ContainerImageDocker.yml | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/drone/ContainerImageDocker.yml b/drone/ContainerImageDocker.yml
index 9fcc8c6..d1fc4df 100644
--- a/drone/ContainerImageDocker.yml
+++ b/drone/ContainerImageDocker.yml
@@ -40,7 +40,6 @@
     MERGE_REGISTRY_JSON: "true"
     DEBUG_STEP: "false"
     PUSH_TAGS: "true"
-    DOCKER_WAIT_START_SECONDS: "5"
 
   commands:
     - &ContainerImageDockerCommands |
@@ -190,8 +189,12 @@
         env
       fi
 
-      # give docker enough time to start
-      sleep $DOCKER_WAIT_START_SECONDS
+      # Wait until Docker daemon is running and has completed initialisation
+      while (! docker stats --no-stream >/dev/null 2>&1); do
+        # Docker takes a few seconds to initialize
+        echo "Waiting for Docker to launch..."
+        sleep 2
+      done
 
       # start build
       echo $ALL_ARGS | xargs docker build