docs: Fix supported tags and format

README.md

@@ -5,19 +5,19 @@
 [![Docker Pulls](https://img.shields.io/docker/pulls/psitrax/powerdns.svg)](https://hub.docker.com/r/psitrax/powerdns/)
 [![Docker Automated buil](https://img.shields.io/docker/automated/psitrax/powerdns.svg)](https://hub.docker.com/r/psitrax/powerdns/)
 
-* Small Alpine based Image
-* MySQL (default), Postgres, SQLite and Bind backend included
-* DNSSEC support optional
-* Automatic MySQL database initialization
-* Latest PowerDNS version (if not pls file an issue)
-* Guardian process enabled
-* Graceful shutdown using pdns_control
+-   Small Alpine based Image
+-   MySQL (default), Postgres, SQLite and Bind backend included
+-   DNSSEC support optional
+-   Automatic MySQL database initialization
+-   Latest PowerDNS version (if not pls file an issue)
+-   Guardian process enabled
+-   Graceful shutdown using pdns_control
 
 ## Supported tags
 
-* Exact: i.e. `4.3.0`: PowerDNS Version 4.3.0
-* `4.0`: PowerDNS Version 4.0.x, latest image build
-* `4`: PowerDNS Version 4.x.x, latest image build
+-   Exact: i.e. `4.3.0`: PowerDNS Version 4.3.0
+-   `4.3`: PowerDNS Version 4.3.x, latest image build
+-   `4`: PowerDNS Version 4.x.x, latest image build
 
 ## Usage
 
@@ -42,35 +42,36 @@ $ docker run --name pdns \
 
 ## Configuration
 
-**Environment Configuration:**
+### Environment Configuration
 
-* MySQL connection settings
-  * `MYSQL_HOST=mysql`
-  * `MYSQL_USER=root`
-  * `MYSQL_PASS=root`
-  * `MYSQL_DB=pdns`
-  * `MYSQL_DNSSEC=no`
-* To support docker secrets, use same variables as above with suffix `_FILE`.
-* Want to disable mysql initialization? Use `MYSQL_AUTOCONF=false`
-* DNSSEC is disabled by default, to enable use `MYSQL_DNSSEC=yes`
-* Want to use own config files? Mount a Volume to `/etc/pdns/conf.d` or simply overwrite `/etc/pdns/pdns.conf`
+-   MySQL connection settings
+    -   `MYSQL_HOST=mysql`
+    -   `MYSQL_USER=root`
+    -   `MYSQL_PASS=root`
+    -   `MYSQL_DB=pdns`
+    -   `MYSQL_DNSSEC=no`
 
-**PowerDNS Configuration:**
+-   To support docker secrets, use same variables as above with suffix `_FILE`.
+
+-   Want to disable mysql initialization? Use `MYSQL_AUTOCONF=false`
+
+-   DNSSEC is disabled by default, to enable use `MYSQL_DNSSEC=yes`
+
+-   Want to use own config files? Mount a Volume to `/etc/pdns/conf.d` or simply overwrite `/etc/pdns/pdns.conf`
+
+### PowerDNS Configuration
 
 Append the PowerDNS setting to the command as shown in the example above.
 See `docker run --rm psitrax/powerdns --help`
 
-
 ## License
 
 [GNU General Public License v2.0](https://github.com/PowerDNS/pdns/blob/master/COPYING) applyies to PowerDNS and all files in this repository.
 
-
 ## Maintainer
 
-* Christoph Wiechert <[email protected]>
+-   Christoph Wiechert [[email protected]](mailto:[email protected])
 
 ### Credits
 
-* Mathias Kaufmann <[email protected]>: Reduced image size
-
+-   Mathias Kaufmann [[email protected]](mailto:[email protected]): Reduced image size