Retry CI docker compose startup

scripts/php-ci-test.sh

@@ -51,6 +51,23 @@ collect_logs() {
   docker compose $compose_files cp php1:/var/log/php "$log_dir/php-logs" >/dev/null 2>&1 || true
 }
 
+retry_command() {
+  max_attempts="$1"
+  shift
+  attempt=1
+  while :; do
+    "$@" && return 0
+    status="$?"
+    if [ "$attempt" -ge "$max_attempts" ]; then
+      return "$status"
+    fi
+    sleep_seconds=$((attempt * 5))
+    echo "Command failed with status $status; retrying in ${sleep_seconds}s (attempt $((attempt + 1))/$max_attempts): $*" >&2
+    sleep "$sleep_seconds"
+    attempt=$((attempt + 1))
+  done
+}
+
 cleanup() {
   status="$?"
   collect_logs "$status"
@@ -70,7 +87,7 @@ cleanup() {
 }
 trap cleanup EXIT INT TERM
 
-docker compose $compose_files up -d redis mysql-debug php1
+retry_command "${PHP_CI_DOCKER_RETRIES:-3}" docker compose $compose_files up -d redis mysql-debug php1
 
 docker compose $compose_files exec -T php1 sh -lc '
   set -eu