tiny-image(s): exchange openssh server with dropbear

recipes-containers/docker/docker-ce_git.bbappend

@@ -1,5 +1,13 @@
 LICENSE = "GPLv2"
 FILESEXTRAPATHS_prepend := "${THISDIR}/files:"
 
-SRC_URI += " file://docker.init"
+SRC_URI += " \
+    file://docker.init \
+    file://daemon.json \
+"
 
+do_install_append() {
+    install -d ${D}${sysconfdir}/
+    install -d ${D}${sysconfdir}/docker/
+    install -m 0600 ${WORKDIR}/daemon.json ${D}${sysconfdir}/docker/
+}