Add docker-mysql

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

packages/docker/mariadb/default.nix

@@ -16,7 +16,6 @@ pkgs.dockerTools.buildImage {
     paths = with pkgs; [
       entrypoint
       mariadb
-      gnused
     ];
     pathsToLink = [
       "/bin"

packages/docker/mariadb/entrypoint.sh

@@ -6,8 +6,8 @@ set -o nounset
 MYSQL_USER="${MYSQL_USER:-mariadb}"
 MYSQL_PASSWORD="${MYSQL_PASSWORD:-mariadb}"
 MYSQL_ROOT_PASSWORD="${MYSQL_ROOT_PASSWORD:-$MYSQL_PASSWORD}"
-MYSQL_DB="${MYSQL_DB:-$MYSQL_USER}"
-export DATADIR="${DATADIR:-/var/lib/mysql}"
+MYSQL_DB="${MYSQL_DB}"
+DATADIR="${DATADIR:-/var/lib/mysql}"
 
 if [ ! -f "$DATADIR/mysql_upgrade_info" ]; then
   mariadb-install-db --datadir="$DATADIR" --skip-test-db