Apply COPY vs ADD best practices

Should only use `ADD` for URLs (and even then, `curl` or `wget` are preferred, for numerous reasons, even within this repo) and when extracting archive contents as part of the `ADD` operation; otherwise `COPY` is clearer and (slightly) more efficient.
2018-04-04 06:13:11 -06:00
parent 067218e010
commit 31a4e29c81
15 changed files with 24 additions and 24 deletions
--- a/mariadb/Dockerfile
+++ b/mariadb/Dockerfile
@ -2,7 +2,7 @@ FROM mariadb:latest

 LABEL maintainer="Mahmoud Zalt <mahmoud@zalt.me>"

-ADD my.cnf /etc/mysql/conf.d/my.cnf
+COPY my.cnf /etc/mysql/conf.d/my.cnf

 CMD ["mysqld"]