feat: support setting working directory from CLI arguments

README.md

@@ -95,6 +95,7 @@ portainerssh -c /bin/sh my-container-name
       --api_key=""      Portainer API key.
   -c, --command="bash"  Command to execute inside container.
   -u, --run_as_user=""  User to execute container command as.
+  -w, --workdir=""      Working directory to execute command in.
 ```
 
 ### Arguments

internal/config/config.go

@@ -91,6 +91,7 @@ func ReadConfig(version string) (*Config, *portainer.ContainerExecParams) {
 	var container = app.Arg("container", "Container name, wildcards allowed").Required().String()
 	var command = app.Flag("command", "Command to execute inside container.").Default("bash").Short('c').String()
 	var runAs = app.Flag("run_as_user", "User to execute container command as.").Default("").Short('u').String()
+	var workdir = app.Flag("workdir", "Working directory to execute command in.").Default("").Short('w').String()
 
 	app.Parse(os.Args[1:])
 
@@ -114,6 +115,7 @@ func ReadConfig(version string) (*Config, *portainer.ContainerExecParams) {
 			ContainerName: *container,
 			Command:       commandParts,
 			User:          *runAs,
+			WorkingDir:    *workdir,
 		}
 
 }

pkg/portainer/api.go

@@ -29,6 +29,7 @@ type ContainerExecParams struct {
 	ContainerName string
 	Command       []string
 	User          string
+	WorkingDir    string
 }
 
 // ShellSession contains details about remote shell connected via WebSocket.
@@ -184,6 +185,9 @@ func (r *API) spawnExecInstance(containerId string, params *ContainerExecParams)
 	if params.User != "" {
 		jsonBodyData["User"] = params.User
 	}
+	if params.WorkingDir != "" {
+		jsonBodyData["WorkingDir"] = params.WorkingDir
+	}
 	body, err := json.Marshal(jsonBodyData)
 	if err != nil {
 		return "", err