add: deployment & fix cascading issues

prisma/schema.prisma

@@ -51,6 +51,7 @@ model User {
     accounts      Account[]
     sessions      Session[]
     Workspace     Workspace[]
+    Deployment    Deployment[]
 }
 
 model VerificationToken {
@@ -71,6 +72,7 @@ model Workspace {
     createdAt   DateTime      @default(now())
     updatedAt   DateTime      @updatedAt
     Application Application[]
+    Deployment  Deployment[]
 }
 
 model Application {
@@ -82,8 +84,31 @@ model Application {
     repositoryId    String
     path            String
     autoDeploy      Boolean
-    Workspace       Workspace @relation(fields: [workspaceId], references: [id])
     workspaceId     String
     createdAt       DateTime     @default(now())
     updatedAt       DateTime     @updatedAt
+    Deployment      Deployment[]
+
+    Workspace Workspace @relation(fields: [workspaceId], references: [id], onDelete: Cascade)
+}
+
+enum DeploymentStatus {
+    PENDING
+    IN_PROGRESS
+    FAILED
+    SUCCESS
+}
+
+model Deployment {
+    id            String           @id @default(cuid())
+    applicationId String
+    workspaceId   String
+    userId        String
+    status        DeploymentStatus @default(PENDING)
+    createdAt     DateTime         @default(now())
+    updatedAt     DateTime         @updatedAt
+
+    Application Application @relation(fields: [applicationId], references: [id], onDelete: Cascade)
+    Workspace   Workspace   @relation(fields: [workspaceId], references: [id], onDelete: Cascade)
+    User        User        @relation(fields: [userId], references: [id], onDelete: Cascade)
 }