diff --git a/package.json b/package.json
index b028471..e1cac1e 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
     "app": "yarn workspace app dev",
     "app:local": "yarn workspace app dev:local",
     "build": "yarn workspaces foreach -Apt run build",
-    "dev": "yarn workspaces foreach -Api --include '{server,app}' run watch",
+    "dev": "yarn workspaces foreach -Api --include '{server,app}' run dev",
     "server": "yarn workspace server dev",
     "cli": "yarn workspace client start",
     "lint": "eslint .",
diff --git a/packages/models/src/index.ts b/packages/models/src/index.ts
index aa34aad..a043ec3 100644
--- a/packages/models/src/index.ts
+++ b/packages/models/src/index.ts
@@ -1,10 +1,10 @@
 import mongoose from 'mongoose'
 
-export { User } from './user.js'
+export { User, IUser } from './user.js'
 export { Quest, IQuest } from './quest.js'
-export { Session } from './session.js'
+export { Session, ISession } from './session.js'
 export { Command, ICommand } from './command.js'
-export { UserProfile } from './userProfile.js'
+export { UserProfile, IUserProfile } from './userProfile.js'
 
 export default async function connectDB(uri: string) {
   const db = await mongoose.connect(uri)
diff --git a/packages/models/src/session.ts b/packages/models/src/session.ts
index ab3ba45..f7926be 100644
--- a/packages/models/src/session.ts
+++ b/packages/models/src/session.ts
@@ -44,7 +44,7 @@ const taskSchema = new Schema<ITask>({
 export interface ISession {
   user: Types.ObjectId
   quest: string
-  containerId: string
+  containerId: string | null
   status: string
   createdAt: Date
   updatedAt: Date
diff --git a/server/package.json b/server/package.json
index 846bd73..edc3559 100644
--- a/server/package.json
+++ b/server/package.json
@@ -45,9 +45,11 @@
   },
   "devDependencies": {
     "@types/bcrypt": "^5.0.2",
+    "@types/dockerode": "^3.3.23",
     "@types/express": "^4.17.21",
     "@types/express-session": "^1.17.10",
     "@types/jsonwebtoken": "^9.0.5",
+    "@types/node-schedule": "^2.1.6",
     "@types/passport": "^1.0.16",
     "@types/passport-github2": "^1.2.9",
     "@types/passport-jwt": "^4.0.1",
diff --git a/server/src/containers/docker.js b/server/src/containers/docker.ts
similarity index 79%
rename from server/src/containers/docker.js
rename to server/src/containers/docker.ts
index 17fc9ec..a29fd85 100644
--- a/server/src/containers/docker.js
+++ b/server/src/containers/docker.ts
@@ -14,9 +14,12 @@ const containerOptions = {
   HostConfig: {
     NetworkMode: config.docker.network,
   },
-}
+} as Docker.ContainerCreateOptions
 
-export function createContainer(name, questId) {
+export function createContainer(
+  name: string,
+  questId: string
+): Promise<Docker.Container> {
   const option = {
     ...containerOptions,
     name,
@@ -25,7 +28,7 @@ export function createContainer(name, questId) {
   const { hostPwd, mountQuest } = config.docker
   if (!config.isProduction && hostPwd && mountQuest === questId) {
     logger.info('Mounting quest folder', mountQuest)
-    option.HostConfig.Binds = [
+    option.HostConfig!.Binds = [
       `${hostPwd}/quests/${mountQuest}/home:/home/commander`,
       `${hostPwd}/packages/container:/usr/local/lib/container`,
     ]
@@ -33,7 +36,9 @@ export function createContainer(name, questId) {
   return engine.createContainer(option)
 }
 
-export async function getAndStartContainer(id) {
+export async function getAndStartContainer(
+  id: string
+): Promise<Docker.Container> {
   logger.debug(`Getting container: ${id}`)
   const container = engine.getContainer(id)
   if (!container) {
@@ -45,7 +50,10 @@ export async function getAndStartContainer(id) {
   return container
 }
 
-export async function attachContainer(container, { token }) {
+export async function attachContainer(
+  container: Docker.Container,
+  { token }: { token: string }
+) {
   const exec = await container.exec({
     AttachStdin: true,
     AttachStdout: true,
@@ -67,7 +75,7 @@ export async function attachContainer(container, { token }) {
   return execOutput
 }
 
-export async function deleteContainer(id) {
+export async function deleteContainer(id: string) {
   const container = engine.getContainer(id)
   if (!container) {
     return
@@ -80,8 +88,8 @@ export async function deleteContainer(id) {
   await container.remove()
 }
 
-function parseJSONOutput(data) {
-  const { stream, error } = JSON.parse(data.toString())
+function parseJSONOutput(data: string) {
+  const { stream, error } = JSON.parse(data)
   if (stream) {
     // eslint-disable-next-line no-console
     console.log(stream)
@@ -91,7 +99,7 @@ function parseJSONOutput(data) {
   }
 }
 
-export function buildQuestImage(questPath, questId) {
+export function buildQuestImage(questPath: string, questId: string) {
   return new Promise((resolve, reject) => {
     engine.buildImage(
       {
@@ -114,9 +122,9 @@ export function buildQuestImage(questPath, questId) {
               data
                 .toString()
                 .split('\n')
-                .map((line) => line.trim())
-                .filter((line) => line !== '')
-                .forEach((line) => {
+                .map((line: string) => line.trim())
+                .filter((line: string) => line !== '')
+                .forEach((line: string) => {
                   parseJSONOutput(line)
                 })
             } catch (error) {
diff --git a/server/src/containers/expiryChecker.js b/server/src/containers/expiryChecker.ts
similarity index 61%
rename from server/src/containers/expiryChecker.js
rename to server/src/containers/expiryChecker.ts
index 764b619..20a1007 100644
--- a/server/src/containers/expiryChecker.js
+++ b/server/src/containers/expiryChecker.ts
@@ -1,18 +1,30 @@
 import schedule from 'node-schedule'
 import { Session } from '@linux-odyssey/models'
+import type { ISession } from '@linux-odyssey/models'
+import type { HydratedDocument } from 'mongoose'
 import config from '../config.js'
 import { deleteContainer } from './docker.js'
 import logger from '../utils/logger.js'
 
-async function disableSession(session) {
+async function disableSession(session: HydratedDocument<ISession>) {
+  if (!session.containerId) {
+    logger.warn(`Deleting session ${session._id} has no containerId`)
+    return
+  }
   try {
     await deleteContainer(session.containerId)
   } catch (err) {
-    // If the container doesn't exist, we can ignore the error
-    if (err.statusCode !== 404) {
-      throw new Error(
-        `Failed to delete container ${session.containerId} for session ${session._id}`
-      )
+    // Perform runtime check to safely access statusCode
+    if (typeof err === 'object' && err !== null && 'statusCode' in err) {
+      const error = err as { statusCode: number }
+      if (error.statusCode !== 404) {
+        throw new Error(
+          `Failed to delete container ${session.containerId} for session ${session._id}`
+        )
+      }
+    } else {
+      // Handle the case where err is not the expected type
+      logger.error(`An unexpected error occurred: ${err}`)
     }
   }
   if (session.status === 'active') {
diff --git a/yarn.lock b/yarn.lock
index 6376beb..42fd647 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1110,10 +1110,19 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@linux-odyssey/models@npm:*, @linux-odyssey/models@workspace:packages/models":
+"@linux-odyssey/game@workspace:packages/game":
+  version: 0.0.0-use.local
+  resolution: "@linux-odyssey/game@workspace:packages/game"
+  dependencies:
+    "@linux-odyssey/models": "workspace:^"
+  languageName: unknown
+  linkType: soft
+
+"@linux-odyssey/models@npm:*, @linux-odyssey/models@workspace:^, @linux-odyssey/models@workspace:packages/models":
   version: 0.0.0-use.local
   resolution: "@linux-odyssey/models@workspace:packages/models"
   dependencies:
+    "@types/mongoose": "npm:^5.11.97"
     mongoose: "npm:^8.0.3"
   languageName: unknown
   linkType: soft
@@ -1395,6 +1404,26 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@types/docker-modem@npm:*":
+  version: 3.0.6
+  resolution: "@types/docker-modem@npm:3.0.6"
+  dependencies:
+    "@types/node": "npm:*"
+    "@types/ssh2": "npm:*"
+  checksum: 10c0/d3ffd273148bc883ff9b1a972b1f84c1add6d9a197d2f4fc9774db4c814f39c2e51cc649385b55d781c790c16fb0bf9c1f4c62499bd0f372a4b920190919445d
+  languageName: node
+  linkType: hard
+
+"@types/dockerode@npm:^3.3.23":
+  version: 3.3.23
+  resolution: "@types/dockerode@npm:3.3.23"
+  dependencies:
+    "@types/docker-modem": "npm:*"
+    "@types/node": "npm:*"
+  checksum: 10c0/b6bdb2851487ac7168d2a790ef35b50f0521cbf01e636feaca8f7192fe9c4c687c22f71c56767f41b25ceb87d60ebbc052c1e28c6f7d6cc7a69327050569c863
+  languageName: node
+  linkType: hard
+
 "@types/express-serve-static-core@npm:^4.17.33":
   version: 4.17.43
   resolution: "@types/express-serve-static-core@npm:4.17.43"
@@ -1516,6 +1545,24 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@types/mongoose@npm:^5.11.97":
+  version: 5.11.97
+  resolution: "@types/mongoose@npm:5.11.97"
+  dependencies:
+    mongoose: "npm:*"
+  checksum: 10c0/333e692a39734948db700c76f25c7b088f46cb88ba940b80467313acf29752823ff9ed2870045c34e00559c38a4a3b5136ae6634da6dbe56c160a16a50e1dea0
+  languageName: node
+  linkType: hard
+
+"@types/node-schedule@npm:^2.1.6":
+  version: 2.1.6
+  resolution: "@types/node-schedule@npm:2.1.6"
+  dependencies:
+    "@types/node": "npm:*"
+  checksum: 10c0/5b8f810abf1738f4114c771434ebd17b6ec4f5e29d9f4ca4085b7b5d016f88dd6d99c7fa5c9e0d8583a52781e7ab579f34adfd6927071aa03168b44d9d75e7fd
+  languageName: node
+  linkType: hard
+
 "@types/node@npm:*, @types/node@npm:>=10.0.0, @types/node@npm:^20.10.4":
   version: 20.11.16
   resolution: "@types/node@npm:20.11.16"
@@ -1525,6 +1572,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@types/node@npm:^18.11.18":
+  version: 18.19.17
+  resolution: "@types/node@npm:18.19.17"
+  dependencies:
+    undici-types: "npm:~5.26.4"
+  checksum: 10c0/ac2e4910d5f2bb92cb2623f6d4d4d665a39cf1d425993347e6c3756c70a4def21a47241b86f49e1e4f441529753527bbd9be5f08f29fdac38c64035a26b847c7
+  languageName: node
+  linkType: hard
+
 "@types/oauth@npm:*":
   version: 0.9.4
   resolution: "@types/oauth@npm:0.9.4"
@@ -1652,6 +1708,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@types/ssh2@npm:*":
+  version: 1.11.19
+  resolution: "@types/ssh2@npm:1.11.19"
+  dependencies:
+    "@types/node": "npm:^18.11.18"
+  checksum: 10c0/d1a6f8bff3602ea40be0f9b41f2c80bdd8debbda412b50cda5d7b973ef3921ede60123ea0c48c9e202d96d71c7dc05c9019b5736e8b2ddc6c457c557f602453e
+  languageName: node
+  linkType: hard
+
 "@types/stack-utils@npm:^2.0.0":
   version: 2.0.3
   resolution: "@types/stack-utils@npm:2.0.3"
@@ -7178,6 +7243,21 @@ __metadata:
   languageName: node
   linkType: hard
 
+"mongoose@npm:*":
+  version: 8.1.3
+  resolution: "mongoose@npm:8.1.3"
+  dependencies:
+    bson: "npm:^6.2.0"
+    kareem: "npm:2.5.1"
+    mongodb: "npm:6.3.0"
+    mpath: "npm:0.9.0"
+    mquery: "npm:5.0.0"
+    ms: "npm:2.1.3"
+    sift: "npm:16.0.1"
+  checksum: 10c0/68cf62251b245fb3f9867f0f66895b751f688dcda4c3b9b9016754ad6d78428535d7a4094f013e6e4545158ed2d766aea94aff4478b7a2e3876cefe79a59447c
+  languageName: node
+  linkType: hard
+
 "mongoose@npm:^8.0.3":
   version: 8.1.1
   resolution: "mongoose@npm:8.1.1"
@@ -8530,9 +8610,11 @@ __metadata:
     "@linux-odyssey/models": "npm:*"
     "@linux-odyssey/utils": "npm:*"
     "@types/bcrypt": "npm:^5.0.2"
+    "@types/dockerode": "npm:^3.3.23"
     "@types/express": "npm:^4.17.21"
     "@types/express-session": "npm:^1.17.10"
     "@types/jsonwebtoken": "npm:^9.0.5"
+    "@types/node-schedule": "npm:^2.1.6"
     "@types/passport": "npm:^1.0.16"
     "@types/passport-github2": "npm:^1.2.9"
     "@types/passport-jwt": "npm:^4.0.1"