From 887b99c63bd5abf5fcd9f9d818bfae19c7d1eb83 Mon Sep 17 00:00:00 2001
From: Disassembler <disassembler@dasm.cz>
Date: Sun, 29 Apr 2018 21:48:14 +0200
Subject: [PATCH] Migrate MariaDB to S6 supervisor

---
 mariadb/Dockerfile                              | 9 +++++++--
 mariadb/docker/etc/services.d/.s6-svscan/finish | 3 +++
 mariadb/docker/etc/services.d/mariadb/run       | 5 +++++
 3 files changed, 15 insertions(+), 2 deletions(-)
 create mode 100755 mariadb/docker/etc/services.d/.s6-svscan/finish
 create mode 100755 mariadb/docker/etc/services.d/mariadb/run

diff --git a/mariadb/Dockerfile b/mariadb/Dockerfile
index b3b58e0..2a3f965 100644
--- a/mariadb/Dockerfile
+++ b/mariadb/Dockerfile
@@ -6,9 +6,14 @@ RUN \
  addgroup -S -g 3306 mysql \
  && adduser -S -u 3306 -h /var/lib/mysql -s /bin/nologin -g mysql -G mysql mysql \
  # Install MariaDB
- && apk --no-cache add mariadb mariadb-client
+ && apk --no-cache add mariadb mariadb-client s6 \
+ # Create socket directory
+ && mkdir /run/mysqld \
+ && chown mysql:mysql /run/mysqld
+
+COPY docker/ /
 
 VOLUME ["/etc/mysql", "/var/lib/mysql"]
 EXPOSE 3306
 
-CMD ["mysqld_safe"]
+CMD ["s6-svscan", "/etc/services.d"]
diff --git a/mariadb/docker/etc/services.d/.s6-svscan/finish b/mariadb/docker/etc/services.d/.s6-svscan/finish
new file mode 100755
index 0000000..78d5fdc
--- /dev/null
+++ b/mariadb/docker/etc/services.d/.s6-svscan/finish
@@ -0,0 +1,3 @@
+#!/bin/sh
+
+/bin/true
diff --git a/mariadb/docker/etc/services.d/mariadb/run b/mariadb/docker/etc/services.d/mariadb/run
new file mode 100755
index 0000000..a8d26ef
--- /dev/null
+++ b/mariadb/docker/etc/services.d/mariadb/run
@@ -0,0 +1,5 @@
+#!/bin/execlineb -P
+
+fdmove -c 2 1
+s6-setuidgid 3306:3306
+/usr/bin/mysqld