Browse code

Add note about host-dir in VOLUME

Signed-off-by: Bhavin Gandhi <bhavin7392@gmail.com>

Bhavin Gandhi authored on 2017/04/20 15:32:57
Showing 1 changed files
... ...
@@ -1235,6 +1235,12 @@ into the newly created volume.
1235 1235
 > The list is parsed as a JSON array, which means that
1236 1236
 > you must use double-quotes (") around words not single-quotes (').
1237 1237
 
1238
+>**Note**: The host directory is, by its nature, host-dependent. For this
1239
+>reason, you can't mount a host directory from `Dockerfile`, the `VOLUME`
1240
+instruction does not support passing a `host-dir`, because built images
1241
+>should be portable. A host directory wouldn't be available on all potential
1242
+>hosts.
1243
+
1238 1244
 ## USER
1239 1245
 
1240 1246
     USER daemon