|
@@ -373,9 +373,8 @@ blackslashes as you would in command-line parsing.
|
|
LABEL "com.example.vendor"="ACME Incorporated"
|
|
LABEL "com.example.vendor"="ACME Incorporated"
|
|
|
|
|
|
An image can have more than one label. To specify multiple labels, separate each
|
|
An image can have more than one label. To specify multiple labels, separate each
|
|
-key-value pair by an EOL.
|
|
|
|
|
|
+key-value pair with whitespace.
|
|
|
|
|
|
- LABEL com.example.label-without-value
|
|
|
|
LABEL com.example.label-with-value="foo"
|
|
LABEL com.example.label-with-value="foo"
|
|
LABEL version="1.0"
|
|
LABEL version="1.0"
|
|
LABEL description="This text illustrates \
|
|
LABEL description="This text illustrates \
|
|
@@ -385,6 +384,8 @@ Docker recommends combining labels in a single `LABEL` instruction where
|
|
possible. Each `LABEL` instruction produces a new layer which can result in an
|
|
possible. Each `LABEL` instruction produces a new layer which can result in an
|
|
inefficient image if you use many labels. This example results in four image
|
|
inefficient image if you use many labels. This example results in four image
|
|
layers.
|
|
layers.
|
|
|
|
+
|
|
|
|
+ LABEL multi.label1="value1" multi.label2="value2" other="value3"
|
|
|
|
|
|
Labels are additive including `LABEL`s in `FROM` images. As the system
|
|
Labels are additive including `LABEL`s in `FROM` images. As the system
|
|
encounters and then applies a new label, new `key`s override any previous labels
|
|
encounters and then applies a new label, new `key`s override any previous labels
|
|
@@ -392,6 +393,16 @@ with identical keys.
|
|
|
|
|
|
To view an image's labels, use the `docker inspect` command.
|
|
To view an image's labels, use the `docker inspect` command.
|
|
|
|
|
|
|
|
+ "Labels": {
|
|
|
|
+ "com.example.vendor": "ACME Incorporated"
|
|
|
|
+ "com.example.label-with-value": "foo",
|
|
|
|
+ "version": "1.0",
|
|
|
|
+ "description": "This text illustrates that label-values can span multiple lines.",
|
|
|
|
+ "multi.label1": "value1",
|
|
|
|
+ "multi.label2": "value2",
|
|
|
|
+ "other": "value3"
|
|
|
|
+ },
|
|
|
|
+
|
|
## EXPOSE
|
|
## EXPOSE
|
|
|
|
|
|
EXPOSE <port> [<port>...]
|
|
EXPOSE <port> [<port>...]
|