Merge pull request #6 in DOCI/docker-mysql from 8.0 to master

* commit 'f4e377af1fbf5dbf8802c487fdff47e54fed2828':
  move to different pool server because of build issues
  add mysql config files

Author: Remon Lam

Diff for: Dockerfile

@@ -17,7 +17,7 @@ RUN set -x \
 	&& wget -O /usr/local/bin/gosu "https://github.com/tianon/gosu/releases/download/$GOSU_VERSION/gosu-$(dpkg --print-architecture)" \
 	&& wget -O /usr/local/bin/gosu.asc "https://github.com/tianon/gosu/releases/download/$GOSU_VERSION/gosu-$(dpkg --print-architecture).asc" \
 	&& export GNUPGHOME="$(mktemp -d)" \
-	&& gpg --keyserver ha.pool.sks-keyservers.net --recv-keys B42F6819007F00F88E364FD4036A9C25BF357DD4 \
+	&& gpg --keyserver ipv4.pool.sks-keyservers.net --recv-keys B42F6819007F00F88E364FD4036A9C25BF357DD4 \
 	&& gpg --batch --verify /usr/local/bin/gosu.asc /usr/local/bin/gosu \
 	&& rm -rf "$GNUPGHOME" /usr/local/bin/gosu.asc \
 	&& chmod +x /usr/local/bin/gosu \
@@ -43,7 +43,7 @@ RUN set -ex; \
 # gpg: key 5072E1F5: public key "MySQL Release Engineering <mysql-build@oss.oracle.com>" imported
 	key='A4A9406876FCBD3C456770C88C718D3B5072E1F5'; \
 	export GNUPGHOME="$(mktemp -d)"; \
-	gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
+	gpg --keyserver ipv4.pool.sks-keyservers.net --recv-keys "$key"; \
 	gpg --export "$key" > /etc/apt/trusted.gpg.d/mysql.gpg; \
 	rm -rf "$GNUPGHOME"; \
 	apt-key list > /dev/null

Diff for: config/conf.d/docker.cnf

@@ -0,0 +1,3 @@
+[mysqld]
+skip-host-cache
+skip-name-resolve

Diff for: config/my.cnf

@@ -0,0 +1,31 @@
+# Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; version 2 of the License.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+
+#
+# The MySQL  Server configuration file.
+#
+# For explanations see
+# http://dev.mysql.com/doc/mysql/en/server-system-variables.html
+
+[mysqld]
+pid-file        = /var/run/mysqld/mysqld.pid
+socket          = /var/run/mysqld/mysqld.sock
+datadir         = /var/lib/mysql
+secure-file-priv= NULL
+# Disabling symbolic-links is recommended to prevent assorted security risks
+symbolic-links=0
+
+# Custom config should go here
+!includedir /etc/mysql/conf.d/