docs: update readme.

README.md

@@ -2,131 +2,110 @@
 
 [GitHub Action](https://developer.github.com/actions/) for executing remote ssh commands.
 
-<img src="./images/ssh-workflow.png">
+![ssh workflow](./images/ssh-workflow.png)
+
+[![Actions Status](https://github.com/appleboy/ssh-action/workflows/remote%20ssh%20command/badge.svg)](https://github.com/appleboy/ssh-action/actions)
 
 ## Usage
 
 Executing remote ssh commands.
 
+```yaml
+- name: executing remote ssh commands using password
+  uses: appleboy/ssh-action@master
+  with:
+    host: ${{ secrets.HOST }}
+    username: ${{ secrets.USERNAME }}
+    password: ${{ secrets.PASSWORD }}
+    port: ${{ secrets.PORT }}
+    script: whoami
 ```
-action "Executing remote ssh commands" {
-  uses = "appleboy/ssh-action@master"
-  secrets = [
-    "HOST",
-    "PASSWORD",
-  ]
-  args = [
-    "--user", "actions",
-    "--script", "whoami",
-  ]
-}
+
+output:
+
+```sh
+======CMD======
+whoami
+======END======
+out: ***
+==========================================
+Successfully executed commands to all host.
+==========================================
 ```
 
-## Environment variables
+## Input variables
 
-* HOST - ssh server host
-* PORT - ssh server port
-* USERNAME - ssh server username
-* PASSWORD - ssh server password
-* KEY - ssh server private key
-* SCRIPT - execute the scripts
+see the [action.yml](./action.yml) file for more detail imformation.
 
-### Example
+* host - scp remote host
+* port - scp remote port
+* username - scp username
+* password - scp password
+* timeout - timeout for ssh to remote host, default is `30s`
+* command_timeout - timeout for scp command, default is `1m`
+* key - content of ssh private key. ex raw content of ~/.ssh/id_rsa
+* key_path - path of ssh private key
+* script - execute commands
+* script_stop - stop script after first failure
+* envs - pass environment variable to shell script
+* debug - enable debug mode
 
-Executing remote ssh commands.
+### Example
 
-```
-action "Executing remote ssh commands" {
-  uses = "appleboy/ssh-action@master"
-  secrets = [
-    "PASSWORD",
-  ]
-  args = [
-    "--host", "foo.com"
-    "--user", "bar",
-    "--script", "whoami",
-  ]
-}
+Executing remote ssh commands using password.
+
+```yaml
+- name: executing remote ssh commands using password
+  uses: appleboy/ssh-action@master
+  with:
+    host: ${{ secrets.HOST }}
+    username: ${{ secrets.USERNAME }}
+    password: ${{ secrets.PASSWORD }}
+    port: ${{ secrets.PORT }}
+    script: whoam
 ```
 
 Using private key
 
-```
-action "Support Private Key" {
-  uses = "appleboy/ssh-action@master"
-  secrets = [
-    "HOST",
-    "KEY",
-  ]
-  args = [
-    "--user", "actions",
-    "--script", "'ls -al'",
-  ]
-}
+```yaml
+- name: executing remote ssh commands using ssh key
+  uses: appleboy/ssh-action@master
+  with:
+    host: ${{ secrets.HOST }}
+    username: ${{ secrets.USERNAME }}
+    key: ${{ secrets.KEY }}
+    port: ${{ secrets.PORT }}
+    script: whoami
 ```
 
 Multiple Commands
 
-```
-action "Multiple Commands" {
-  uses = "appleboy/ssh-action@master"
-  secrets = [
-    "HOST",
-    "KEY",
-  ]
-  args = [
-    "--user", "actions",
-    "--script", "'whoami'",
-    "--script", "'ls -al'",
-  ]
-}
+```yaml
+- name: multiple command
+  uses: appleboy/ssh-action@master
+  with:
+    host: ${{ secrets.HOST }}
+    username: ${{ secrets.USERNAME }}
+    key: ${{ secrets.KEY }}
+    port: ${{ secrets.PORT }}
+    script: |
+      whoami
+      ls -al
 ```
 
-<img src="./images/multiple-command-result.png">
+![result](./images/output-result.png)
 
 Multiple Hosts
 
+```diff
+  uses: appleboy/ssh-action@master
+  with:
+-   host: "foo.com"
++   host: "foo.com,bar.com"
+    username: ${{ secrets.USERNAME }}
+    key: ${{ secrets.KEY }}
+    port: ${{ secrets.PORT }}
+    script: |
+      whoami
+      ls -al
 ```
-action "Multiple Hosts" {
-  uses = "appleboy/ssh-action@master"
-  secrets = [
-    "KEY",
-  ]
-  args = [
-    "--host", "foo.com",
-    "--host", "bar.com",
-    "--user", "actions",
-    "--script", "'whoami'",
-    "--script", "'ls -al'",
-    "--script", "'cat test.txt'",
-  ]
-}
-```
-
-see the detail of `drone-ssh` command
-
-```
-   --ssh-key value                           private ssh key [$PLUGIN_SSH_KEY, $PLUGIN_KEY, $SSH_KEY, $KEY]
-   --key-path value, -i value                ssh private key path [$PLUGIN_KEY_PATH, $SSH_KEY_PATH, $PATH]
-   --username value, --user value, -u value  connect as user (default: "root") [$PLUGIN_USERNAME, $PLUGIN_USER, $SSH_USERNAME, $USERNAME]
-   --password value, -P value                user password [$PLUGIN_PASSWORD, $SSH_PASSWORD, $PASSWORD]
-   --host value, -H value                    connect to host [$PLUGIN_HOST, $SSH_HOST, $HOST]
-   --port value, -p value                    connect to port (default: 22) [$PLUGIN_PORT, $SSH_PORT, $PORT]
-   --sync                                    sync mode [$PLUGIN_SYNC, $SYNC]
-   --timeout value, -t value                 connection timeout (default: 0s) [$PLUGIN_TIMEOUT, $SSH_TIMEOUT, $TIMEOUT]
-   --command.timeout value, -T value         command timeout (default: 1m0s) [$PLUGIN_COMMAND_TIMEOUT, $SSH_COMMAND_TIMEOUT, $COMMAND_TIMEOUT]
-   --script value, -s value                  execute commands [$PLUGIN_SCRIPT, $SSH_SCRIPT, $SCRIPT]
-   --script.stop                             stop script after first failure [$PLUGIN_SCRIPT_STOP, $STOP]
-   --proxy.ssh-key value                     private ssh key of proxy [$PLUGIN_PROXY_SSH_KEY, $PLUGIN_PROXY_KEY, $PROXY_SSH_KEY]
-   --proxy.key-path value                    ssh private key path of proxy [$PLUGIN_PROXY_KEY_PATH, $PROXY_SSH_KEY_PATH]
-   --proxy.username value                    connect as user of proxy (default: "root") [$PLUGIN_PROXY_USERNAME, $PLUGIN_PROXY_USER, $PROXY_SSH_USERNAME]
-   --proxy.password value                    user password of proxy [$PLUGIN_PROXY_PASSWORD, $PROXY_SSH_PASSWORD]
-   --proxy.host value                        connect to host of proxy [$PLUGIN_PROXY_HOST, $PROXY_SSH_HOST]
-   --proxy.port value                        connect to port of proxy (default: "22") [$PLUGIN_PROXY_PORT, $PROXY_SSH_PORT]
-   --proxy.timeout value                     proxy connection timeout (default: 0s) [$PLUGIN_PROXY_TIMEOUT, $PROXY_SSH_TIMEOUT]
-```
-
-## Secrets
-
-* `PASSWORD` - ssh server password
-* `KEY` - ssh server private key