Update Dockerfile to use older syntax

glokta1 · glokta1 · commit 73f0b815cedf · 2024-06-06T12:33:13.000+05:30
diff --git a/dockerfiles/cpp-23.Dockerfile b/dockerfiles/cpp-23.Dockerfile
@@ -1,3 +1,4 @@
+# syntax=docker/dockerfile:1.7-labs
 FROM gcc:13.2.0-bookworm
 
 ENV CODECRAFTERS_DEPENDENCY_FILE_PATHS="vcpkg.json,vcpkg-configuration.json"

Original file line number	Diff line number	Diff line change
`@@ -1,3 +1,4 @@`
	`1`	`+# syntax=docker/dockerfile:1.7-labs`
`1`	`2`	`FROM gcc:13.2.0-bookworm`
`2`	`3`
`3`	`4`	`ENV CODECRAFTERS_DEPENDENCY_FILE_PATHS="vcpkg.json,vcpkg-configuration.json"`