updated / added information about installing BETYdb locally using docker (#38)

Author: dlebauer

traits/07-betydb-sql-access.Rmd

@@ -43,7 +43,23 @@ DB: bety
 You can run the entire database locally, with daily imports:
 
 ```sh
-docker run --name betydb -p 5432:5432 terraref/betydb-postgis
+docker run --name bety -p 5432:5432 terraref/betydb-postgis
 ```
 
-Now it will appear that you have the entire trait database running at localhost on port 5432 just like if it were installed on your system!
+Now it will appear that you have the entire trait database running at localhost on port 5432 just like if it were installed on your system!
+
+
+```{r eval=FALSE}
+library(RPostgreSQL)
+dbcon <- dbConnect(RPostgreSQL::PostgreSQL(),
+                   dbname = "bety", 
+                   password = 'bety', 
+                   host = 'localhost', 
+                   user = 'bety', 
+                   port = 5432)
+```
+
+
+
+> #```{sql connection = dbcon, eval=FALSE, }
+> #```