added initial info about Error 1071 of MariaDB on Debian 9

README.md

@@ -22,6 +22,20 @@ And then run the `tank` binary:
 $ $GOPATH/bin/tank --config config.yaml run --listen localhost:8000
 ```
 
+### Problem with MariaDB on Debian 9 (stretch)
+
+If you start ```tank``` for the first time you may get the following error message:
+
+```
+running database migrations failed: Error 1071: Specified key was too long; max key length is 767 bytes
+```
+
+This most likely means you are using a MariaDB server running on Debian 9 (stretch). Please read
+[mariadb-stretch-err1071.md](/mariadb-stretch-err1071.md) for help.
+
+If you encouter this problem on any other platform please let us know!
+
+
 ## Development
 
 Check out the repository and build the daemon:

mariadb-stretch-err1071.md

+# MariaDB `Error 1071: Specified key was too long`
+
+tba...