chore: add pre run and post run command executor

Author: raghavyuva

api/api/versions.json

@@ -3,7 +3,7 @@
     {
       "version": "v1",
       "status": "active",
-      "release_date": "2025-08-20T23:05:32.812174289+05:30",
+      "release_date": "2025-08-21T22:58:05.772340699+05:30",
       "end_of_life": "0001-01-01T00:00:00Z",
       "changes": [
         "Initial API version"

api/internal/features/deploy/tasks/commands.go

@@ -0,0 +1,48 @@
+package tasks
+
+import (
+	"fmt"
+
+	"github.com/google/uuid"
+	"github.com/raghavyuva/nixopus-api/internal/features/ssh"
+	shared_types "github.com/raghavyuva/nixopus-api/internal/types"
+)
+
+func (s *TaskService) runCommands(applicationID uuid.UUID, deploymentConfigID uuid.UUID, command string, commandType string) error {
+	taskCtx := s.NewTaskContext(shared_types.TaskPayload{
+		Application: shared_types.Application{
+			ID: applicationID,
+		},
+		ApplicationDeployment: shared_types.ApplicationDeployment{
+			ID: deploymentConfigID,
+		},
+	})
+	taskCtx.AddLog(fmt.Sprintf("Running %s commands %v", commandType, command))
+
+	if command == "" {
+		return nil
+	}
+
+	client := ssh.NewSSH()
+	output, err := client.RunCommand(command)
+	if err != nil {
+		taskCtx.AddLog(fmt.Sprintf("Error while running %s command %v", commandType, output))
+		return err
+	}
+
+	if output != "" {
+		taskCtx.AddLog(fmt.Sprintf("%s command resulted in %v", commandType, output))
+	}
+
+	return nil
+}
+
+func (s *TaskService) PrerunCommands(d shared_types.TaskPayload) error {
+	return s.runCommands(d.Application.ID, d.ApplicationDeployment.ID,
+		d.Application.PreRunCommand, "pre run")
+}
+
+func (s *TaskService) PostRunCommands(d shared_types.TaskPayload) error {
+	return s.runCommands(d.Application.ID, d.ApplicationDeployment.ID,
+		d.Application.PostRunCommand, "post run")
+}

api/internal/features/deploy/tasks/init.go

@@ -84,7 +84,18 @@ func (t *TaskService) BuildPack(ctx context.Context, d shared_types.TaskPayload)
 	var err error
 	switch d.Application.BuildPack {
 	case shared_types.DockerFile:
+		err = t.PrerunCommands(d)
+		if err != nil {
+			return err
+		}
 		err = t.HandleCreateDockerfileDeployment(ctx, d)
+		if err != nil {
+			return err
+		}
+		err = t.PostRunCommands(d)
+		if err != nil {
+			return err
+		}
 	case shared_types.DockerCompose:
 		err = t.HandleCreateDockerComposeDeployment(ctx, d)
 	case shared_types.Static: