docker: use LABEL instead of deprecated MAINTAINER instruction

ljmf00 · ljmf00 · commit b0e90d2cb142 · 2020-10-21T00:04:27.000+01:00
Signed-off-by: Luís Ferreira &lt;contact@lsferreira.net&gt;
diff --git a/Dockerfile b/Dockerfile
@@ -1,6 +1,6 @@
 FROM busybox:glibc
 
-MAINTAINER "André Stein <andre.stein.1985@gmail.com>"
+LABEL maintainer="André Stein <andre.stein.1985@gmail.com>"
 
 EXPOSE 8080
 

-Original file line number
+Diff line change
@@ @@ -1,6 +1,6 @@ @@
 FROM busybox:glibc
 -MAINTAINER "André Stein <[email protected]>"
 +LABEL maintainer="André Stein <[email protected]>"
 EXPOSE 8080