#410 Add labels with metadata to docker instances

docker/images/mysql/mysql-simple-dump/Dockerfile

@@ -3,5 +3,9 @@
 # There is a proposed improvement to "docker cp" but it's still being 
 # discussed (https://github.com/docker/docker/issues/5846).
 FROM mysql:latest
+
+LABEL vendor=proxysql\
+      com.proxysql.type=mysql
+
 ADD ./schema.sql /tmp/
 ADD ./import_schema.sh /tmp/

docker/images/proxysql/proxysql/Dockerfile

@@ -1,5 +1,13 @@
 FROM ubuntu:14.04
 MAINTAINER Andrei Ismail <iandrei@gmail.com>
+
+LABEL vendor=proxysql\
+      com.proxysql.type=proxysql\
+      com.proxysql.os=ubuntu14\
+      com.proxysql.interactive=false\
+      com.proxysql.config=simple\
+      com.proxysql.purpose=testing
+
 RUN apt-get update && apt-get install -y\
 	automake\
 	cmake\

docker/images/proxysql/ubuntu-12.04-build/Dockerfile

@@ -1,5 +1,13 @@
 FROM ubuntu:12.04
 MAINTAINER Andrei Ismail <iandrei@gmail.com>
+
+LABEL vendor=proxysql\
+      com.proxysql.type=proxysql\
+      com.proxysql.os=ubuntu12\
+      com.proxysql.interactive=false\
+      com.proxysql.config=simple\
+      com.proxysql.purpose=packaging
+
 RUN apt-get update && apt-get install -y\
     automake\
     cmake\

docker/images/proxysql/ubuntu-14.04-build/Dockerfile

@@ -1,5 +1,13 @@
 FROM ubuntu:14.04
 MAINTAINER Andrei Ismail <iandrei@gmail.com>
+
+LABEL vendor=proxysql\
+      com.proxysql.type=proxysql\
+      com.proxysql.os=ubuntu14\
+      com.proxysql.interactive=false\
+      com.proxysql.config=simple\
+      com.proxysql.purpose=packaging
+
 RUN apt-get update && apt-get install -y\
     automake\
     cmake\