grassgis77 -> grassgis78

README.md

@@ -63,7 +63,7 @@ Build using the downloaded source code (in the directory with the
 source code):
 
 ```
-    docker build -t grassgis77 .
+    docker build -t grassgis78 .
 ```
 
 A test run (assuming you have existing GRASS GIS location; it can be downloaded from
@@ -71,22 +71,22 @@ A test run (assuming you have existing GRASS GIS location; it can be downloaded
 
 ```
 # case 1: launching in the grassdata directory in which the location is stored:
-docker run -it --rm --user=$(id -u):$(id -g) --volume $(pwd):/data --env HOME=/data/ grassgis77 \
+docker run -it --rm --user=$(id -u):$(id -g) --volume $(pwd):/data --env HOME=/data/ grassgis78 \
     grass --text nc_spm_08_grass7/user1 --exec g.region -p
 
 # case 2: launching anywhere
-docker run -it --rm --user=$(id -u):$(id -g) --volume /your/test/grassdata/:/data --env HOME=/data/ grassgis77 \
+docker run -it --rm --user=$(id -u):$(id -g) --volume /your/test/grassdata/:/data --env HOME=/data/ grassgis78 \
     grass /data/nc_basic_spm/PERMANENT --exec g.region -p
 ```
 
-Note that the first `grassgis77` is the name of the image while the second
+Note that the first `grassgis78` is the name of the image while the second
 `grass` is the name of the executable.
 
 To run the tests (again assuming local location):
 
 ```
     docker run -it --rm --user=$(id -u):$(id -g) --volume /your/test/grassdata/:/data --env HOME=/data/ -w /code/grass \
-        grassgis77 grass /data/nc_basic_spm/PERMANENT --exec \
+        grassgis78 grass /data/nc_basic_spm/PERMANENT --exec \
             python -m grass.gunittest.main \
                 --location nc_basic_spm --location-type nc
 ```