Add examples for ENV vars in API

As discussed in https://github.com/docker/docker/issues/16623,
the API calls for setting ENV-vars lacked an actual example.

This PR adds some examples to the API calls.

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

docs/reference/api/docker_remote_api_v1.14.md

@@ -126,7 +126,10 @@ Create a container
              "Tty":false,
              "OpenStdin":false,
              "StdinOnce":false,
-             "Env":null,
+             "Env": [
+                     "FOO=bar",
+                     "BAZ=quux"
+             ],
              "Cmd":[
                      "date"
              ],

docs/reference/api/docker_remote_api_v1.15.md

@@ -133,7 +133,10 @@ Create a container
              "Tty": false,
              "OpenStdin": false,
              "StdinOnce": false,
-             "Env": null,
+             "Env": [
+                     "FOO=bar",
+                     "BAZ=quux"
+             ],
              "Cmd": [
                      "date"
              ],
@@ -196,7 +199,7 @@ Json Parameters:
 -   **Tty** - Boolean value, Attach standard streams to a tty, including stdin if it is not closed.
 -   **OpenStdin** - Boolean value, opens stdin,
 -   **StdinOnce** - Boolean value, close stdin after the 1 attached client disconnects.
--   **Env** - A list of environment variables in the form of `VAR=value`
+-   **Env** - A list of environment variables in the form of `["VAR=value"[,"VAR2=value2"]]`
 -   **Cmd** - Command to run specified as a string or an array of strings.
 -   **Entrypoint** - Set the entrypoint for the container a string or an array
       of strings

docs/reference/api/docker_remote_api_v1.16.md

@@ -133,7 +133,10 @@ Create a container
              "Tty": false,
              "OpenStdin": false,
              "StdinOnce": false,
-             "Env": null,
+             "Env": [
+                     "FOO=bar",
+                     "BAZ=quux"
+             ],
              "Cmd": [
                      "date"
              ],
@@ -196,7 +199,7 @@ Json Parameters:
 -   **Tty** - Boolean value, Attach standard streams to a tty, including stdin if it is not closed.
 -   **OpenStdin** - Boolean value, opens stdin,
 -   **StdinOnce** - Boolean value, close stdin after the 1 attached client disconnects.
--   **Env** - A list of environment variables in the form of `VAR=value`
+-   **Env** - A list of environment variables in the form of `["VAR=value"[,"VAR2=value2"]]`
 -   **Cmd** - Command to run specified as a string or an array of strings.
 -   **Entrypoint** - Set the entrypoint for the container a string or an array
       of strings

docs/reference/api/docker_remote_api_v1.17.md

@@ -133,7 +133,10 @@ Create a container
              "Tty": false,
              "OpenStdin": false,
              "StdinOnce": false,
-             "Env": null,
+             "Env": [
+                     "FOO=bar",
+                     "BAZ=quux"
+             ],
              "Cmd": [
                      "date"
              ],
@@ -198,7 +201,7 @@ Json Parameters:
 -   **Tty** - Boolean value, Attach standard streams to a tty, including stdin if it is not closed.
 -   **OpenStdin** - Boolean value, opens stdin,
 -   **StdinOnce** - Boolean value, close stdin after the 1 attached client disconnects.
--   **Env** - A list of environment variables in the form of `VAR=value`
+-   **Env** - A list of environment variables in the form of `["VAR=value"[,"VAR2=value2"]]`
 -   **Cmd** - Command to run specified as a string or an array of strings.
 -   **Entrypoint** - Set the entrypoint for the container a string or an array
       of strings

docs/reference/api/docker_remote_api_v1.18.md

@@ -138,7 +138,10 @@ Create a container
              "Tty": false,
              "OpenStdin": false,
              "StdinOnce": false,
-             "Env": null,
+             "Env": [
+                     "FOO=bar",
+                     "BAZ=quux"
+             ],
              "Cmd": [
                      "date"
              ],
@@ -216,7 +219,7 @@ Json Parameters:
 -   **Tty** - Boolean value, Attach standard streams to a tty, including stdin if it is not closed.
 -   **OpenStdin** - Boolean value, opens stdin,
 -   **StdinOnce** - Boolean value, close stdin after the 1 attached client disconnects.
--   **Env** - A list of environment variables in the form of `VAR=value`
+-   **Env** - A list of environment variables in the form of `["VAR=value"[,"VAR2=value2"]]`
 -   **Labels** - Adds a map of labels that to a container. To specify a map: `{"key":"value"[,"key2":"value2"]}`
 -   **Cmd** - Command to run specified as a string or an array of strings.
 -   **Entrypoint** - Set the entrypoint for the container a string or an array

docs/reference/api/docker_remote_api_v1.19.md

@@ -140,7 +140,10 @@ Create a container
            "Tty": false,
            "OpenStdin": false,
            "StdinOnce": false,
-           "Env": null,
+           "Env": [
+                   "FOO=bar",
+                   "BAZ=quux"
+           ],
            "Cmd": [
                    "date"
            ],
@@ -228,7 +231,7 @@ Json Parameters:
 -   **Tty** - Boolean value, Attach standard streams to a `tty`, including `stdin` if it is not closed.
 -   **OpenStdin** - Boolean value, opens stdin,
 -   **StdinOnce** - Boolean value, close `stdin` after the 1 attached client disconnects.
--   **Env** - A list of environment variables in the form of `VAR=value`
+-   **Env** - A list of environment variables in the form of `["VAR=value"[,"VAR2=value2"]]`
 -   **Labels** - Adds a map of labels to a container. To specify a map: `{"key":"value"[,"key2":"value2"]}`
 -   **Cmd** - Command to run specified as a string or an array of strings.
 -   **Entrypoint** - Set the entry point for the container as a string or an array

docs/reference/api/docker_remote_api_v1.20.md

@@ -140,7 +140,10 @@ Create a container
            "Tty": false,
            "OpenStdin": false,
            "StdinOnce": false,
-           "Env": null,
+           "Env": [
+                   "FOO=bar",
+                   "BAZ=quux"
+           ],
            "Cmd": [
                    "date"
            ],
@@ -235,7 +238,7 @@ Json Parameters:
 -   **Tty** - Boolean value, Attach standard streams to a `tty`, including `stdin` if it is not closed.
 -   **OpenStdin** - Boolean value, opens stdin,
 -   **StdinOnce** - Boolean value, close `stdin` after the 1 attached client disconnects.
--   **Env** - A list of environment variables in the form of `VAR=value`
+-   **Env** - A list of environment variables in the form of `["VAR=value"[,"VAR2=value2"]]`
 -   **Labels** - Adds a map of labels to a container. To specify a map: `{"key":"value"[,"key2":"value2"]}`
 -   **Cmd** - Command to run specified as a string or an array of strings.
 -   **Entrypoint** - Set the entry point for the container as a string or an array

docs/reference/api/docker_remote_api_v1.21.md

@@ -144,7 +144,10 @@ Create a container
            "Tty": false,
            "OpenStdin": false,
            "StdinOnce": false,
-           "Env": null,
+           "Env": [
+                   "FOO=bar",
+                   "BAZ=quux"
+           ],
            "Cmd": [
                    "date"
            ],
@@ -246,7 +249,7 @@ Json Parameters:
 -   **Tty** - Boolean value, Attach standard streams to a `tty`, including `stdin` if it is not closed.
 -   **OpenStdin** - Boolean value, opens stdin,
 -   **StdinOnce** - Boolean value, close `stdin` after the 1 attached client disconnects.
--   **Env** - A list of environment variables in the form of `VAR=value`
+-   **Env** - A list of environment variables in the form of `["VAR=value"[,"VAR2=value2"]]`
 -   **Labels** - Adds a map of labels to a container. To specify a map: `{"key":"value"[,"key2":"value2"]}`
 -   **Cmd** - Command to run specified as a string or an array of strings.
 -   **Entrypoint** - Set the entry point for the container as a string or an array

docs/reference/api/docker_remote_api_v1.22.md

@@ -145,7 +145,10 @@ Create a container
            "Tty": false,
            "OpenStdin": false,
            "StdinOnce": false,
-           "Env": null,
+           "Env": [
+                   "FOO=bar",
+                   "BAZ=quux"
+           ],
            "Cmd": [
                    "date"
            ],
@@ -247,7 +250,7 @@ Json Parameters:
 -   **Tty** - Boolean value, Attach standard streams to a `tty`, including `stdin` if it is not closed.
 -   **OpenStdin** - Boolean value, opens stdin,
 -   **StdinOnce** - Boolean value, close `stdin` after the 1 attached client disconnects.
--   **Env** - A list of environment variables in the form of `VAR=value`
+-   **Env** - A list of environment variables in the form of `["VAR=value"[,"VAR2=value2"]]`
 -   **Labels** - Adds a map of labels to a container. To specify a map: `{"key":"value"[,"key2":"value2"]}`
 -   **Cmd** - Command to run specified as a string or an array of strings.
 -   **Entrypoint** - Set the entry point for the container as a string or an array