Trivial implementation of automated schema/user creation - just good enough for dev.

Author: Duty Human

templates/mariadb-entrypoint.sh

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+#!/bin/bash
+
+/usr/local/bin/docker-gen mariadb.tmpl /tmp/sql.sh
+while true;
+do
+        ls -l /tmp/sql.sh
+        source /tmp/sql.sh
+        /usr/local/bin/docker-gen --watch mariadb.tmpl /tmp/sql.sh
+done

templates/mariadb.dockerfile

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+FROM jwilder/docker-gen AS docker-gen
+FROM mariadb:latest
+COPY --from=docker-gen /usr/local/bin/docker-gen /usr/local/bin/docker-gen
+COPY mariadb-entrypoint.sh /
+COPY mariadb.tmpl /
+ENTRYPOINT ["/mariadb-entrypoint.sh"]

templates/mariadb.tmpl

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+#!/bin/bash
+
+{{ range $index, $value := . }}
+
+	{{ if $value.Env.DB_HOST }}
+# TODO: Save password from dbserver startup into files then read config
+/usr/bin/mysql -h{{$value.Env.DB_HOST}} -ppass -e '
+		CREATE USER IF NOT EXISTS `{{$value.Env.DB_USER}}` IDENTIFIED BY "{{$value.Env.DB_PASS}}";
+		CREATE SCHEMA IF NOT EXISTS `{{$value.Env.DB_SCHEMA}}`;
+		GRANT ALL ON `{{$value.Env.DB_SCHEMA}}`.* TO `{{$value.Env.DB_USER}}`@`%`;
+'
+	{{ end }}
+{{end}}