feat: Update .gitignore, add Lambda layer configuration, and refactor DynamoDB handlers to use AWS SDK v3

.gitignore

@@ -22,7 +22,13 @@
 **/next-env.d.ts
 
 # images
-**/public/**
+tasker-client/public/**
 
 # terraform
-**/**/.terraform**
+**/.terraform**
+
+# serverless
+**/.serverless/**
+
+# zipped layers
+**/layers/**.zip

tasker-server/layers/nodejs/package.json

@@ -0,0 +1,18 @@
+{
+  "name": "nodejs",
+  "version": "1.0.0",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "description": "",
+  "dependencies": {
+    "@aws-sdk/client-dynamodb": "^3.699.0",
+    "@aws-sdk/lib-dynamodb": "^3.699.0",
+    "@types/uuid": "^10.0.0",
+    "uuid": "^11.0.3"
+  }
+}

tasker-server/package.json

@@ -5,14 +5,21 @@
   "scripts": {
     "infra:init": "cd terraform && AWS_PROFILE=default terraform init",
     "infra:plan": "cd terraform && AWS_PROFILE=default terraform plan",
-    "infra:apply": "cd terraform && AWS_PROFILE=default terraform apply"
+    "infra:apply": "cd terraform && AWS_PROFILE=default terraform apply",
+    "infra:destroy": "cd terraform && AWS_PROFILE=default terraform destroy",
+    "sls:package": "AWS_PROFILE=default sls package",
+    "sls:deploy": "AWS_PROFILE=default sls deploy",
+    "sls:remove": "AWS_PROFILE=default sls remove"
   },
   "author": "",
   "license": "ISC",
   "description": "",
   "dependencies": {
+    "@aws-sdk/client-dynamodb": "^3.699.0",
+    "@aws-sdk/lib-dynamodb": "^3.699.0",
     "@types/uuid": "^10.0.0",
-    "aws-sdk": "^2.1692.0"
+    "aws-sdk": "^2.1692.0",
+    "uuid": "^11.0.3"
   },
   "devDependencies": {
     "@types/node": "^22.9.1",

tasker-server/serverless.yml

@@ -6,7 +6,7 @@ plugins:
 provider:
   stackName: ${self:service}
   name: aws
-  region: ${opt:region, 'eu-north-1'}
+  region: "eu-north-1"
   runtime: nodejs20.x
   environment:
     SLS_REGION: ${self:provider.region}
@@ -15,6 +15,8 @@ provider:
     TASKER_USER_TABLE_NAME: ${ssm:/tasker/dynamodb/user-table-name}
     TASKER_TASK_EXTRA_TABLE_NAME: ${ssm:/tasker/dynamodb/task-extra-table-name}
     TASKER_TEAM_TABLE_NAME: ${ssm:/tasker/dynamodb/team-table-name}
+  layers:
+    - ${ssm:/tasker/layers/tasker-layer-arn}
   iam:
     role:
       statements:
@@ -32,6 +34,14 @@ provider:
             ]
 
 functions:
+  postSignUp:
+    handler: src/handlers/postSignUp.handler
+    memorySize: 1024
+    timeout: 60
+    events:
+      - cognitoUserPool:
+          pool: ${ssm:/tasker/cognito/user-pool-id}
+          trigger: PostConfirmation
   # POST /users
   createUser:
     handler: src/handlers/createUser.handler
@@ -42,9 +52,6 @@ functions:
           path: users
           method: post
           cors: true
-          authorizer:
-            type: COGNITO_USER_POOLS
-            arn: ${ssm:/tasker/cognito/user-pool-arn}
   # POST /projects
   createProject:
     handler: src/handlers/createProject.handler

tasker-server/src/handlers/createProject.ts

@@ -1,16 +1,18 @@
-import { DynamoDB } from "aws-sdk";
+import { DynamoDBClient } from "@aws-sdk/client-dynamodb";
+import { DynamoDBDocument, PutCommandInput } from "@aws-sdk/lib-dynamodb";
 import { v4 as uuidv4 } from "uuid";
 
 const SLS_REGION = process.env.SLS_REGION;
 const TASKER_PROJECT_TABLE_NAME = process.env.TASKER_PROJECT_TABLE_NAME || "";
 
-const docClient = new DynamoDB.DocumentClient({ region: SLS_REGION });
+const client = new DynamoDBClient({ region: SLS_REGION });
+const docClient = DynamoDBDocument.from(client);
 
 export const handler = async (event: any): Promise<any> => {
   const { name, description, startDate, endDate } = event.body;
   try {
     const newProject = {
-      type: "projects",
+      category: "projects",
       projectId: `project#${uuidv4()}`,
       name,
       description,
@@ -18,12 +20,12 @@ export const handler = async (event: any): Promise<any> => {
       endDate,
     };
 
-    const params = {
+    const params: PutCommandInput = {
       TableName: TASKER_PROJECT_TABLE_NAME,
       Item: newProject,
     };
 
-    await docClient.put(params).promise();
+    await docClient.put(params);
 
     return {
       status: 201,

tasker-server/src/handlers/createTask.ts

@@ -1,10 +1,12 @@
-import { DynamoDB } from "aws-sdk";
+import { DynamoDBClient } from "@aws-sdk/client-dynamodb";
+import { DynamoDBDocument, PutCommandInput } from "@aws-sdk/lib-dynamodb";
 import { v4 as uuidv4 } from "uuid";
 
 const SLS_REGION = process.env.SLS_REGION;
 const TASKER_TASK_TABLE_NAME = process.env.TASKER_TASK_TABLE_NAME || "";
 
-const docClient = new DynamoDB.DocumentClient({ region: SLS_REGION });
+const client = new DynamoDBClient({ region: SLS_REGION });
+const docClient = DynamoDBDocument.from(client);
 
 export const handler = async (event: any): Promise<any> => {
   const {
@@ -22,7 +24,7 @@ export const handler = async (event: any): Promise<any> => {
   } = event.body;
   try {
     const newTask = {
-      type: "tasks",
+      category: "tasks",
       taskId: `task#${uuidv4()}`,
       title,
       description,
@@ -37,12 +39,12 @@ export const handler = async (event: any): Promise<any> => {
       assignedUserId,
     };
 
-    const params = {
+    const params: PutCommandInput = {
       TableName: TASKER_TASK_TABLE_NAME,
       Item: newTask,
     };
 
-    await docClient.put(params).promise();
+    await docClient.put(params);
 
     return {
       status: 201,

tasker-server/src/handlers/createUser.ts

@@ -1,32 +1,34 @@
 import { fetchRandomTeamId } from "@/lib/util";
-import { DynamoDB } from "aws-sdk";
+import { DynamoDBClient } from "@aws-sdk/client-dynamodb";
+import { DynamoDBDocument, PutCommandInput } from "@aws-sdk/lib-dynamodb";
 import { v4 as uuidv4 } from "uuid";
 
 const SLS_REGION = process.env.SLS_REGION;
 const TASKER_USER_TABLE_NAME = process.env.TASKER_USER_TABLE_NAME || "";
 
-const docClient = new DynamoDB.DocumentClient({ region: SLS_REGION });
+const client = new DynamoDBClient({ region: SLS_REGION });
+const docClient = DynamoDBDocument.from(client);
 
 export const handler = async (event: any): Promise<any> => {
-  const { username, cognitoId, profilePictureUrl = "i0.jpg" } = event.body;
+  const { username, cognitoId } = event.body;
   const teamId = fetchRandomTeamId();
 
   try {
     const newUser = {
-      type: "users",
+      category: "users",
       cognitoId,
       userId: `user#${uuidv4()}`,
       username,
-      profilePictureUrl,
+      profilePictureUrl: "i0.jpg",
       teamId,
     };
 
-    const params = {
+    const params: PutCommandInput = {
       TableName: TASKER_USER_TABLE_NAME,
       Item: newUser,
     };
 
-    await docClient.put(params).promise();
+    await docClient.put(params);
 
     return {
       status: 201,

tasker-server/src/handlers/getProjects.ts

@@ -1,21 +1,23 @@
-import { DynamoDB } from "aws-sdk";
+import { DynamoDBClient } from "@aws-sdk/client-dynamodb";
+import { DynamoDBDocument, QueryCommandInput } from "@aws-sdk/lib-dynamodb";
 
 const SLS_REGION = process.env.SLS_REGION;
 const TASKER_PROJECT_TABLE_NAME = process.env.TASKER_PROJECT_TABLE_NAME || "";
 
-const docClient = new DynamoDB.DocumentClient({ region: SLS_REGION });
+const client = new DynamoDBClient({ region: SLS_REGION });
+const docClient = DynamoDBDocument.from(client);
 
 export const handler = async (event: any): Promise<any> => {
   try {
-    const params = {
+    const params: QueryCommandInput = {
       TableName: TASKER_PROJECT_TABLE_NAME,
-      KeyConditionExpression: "type = :type",
+      KeyConditionExpression: "category = :category",
       ExpressionAttributeValues: {
-        ":type": "projects",
+        ":category": "projects",
       },
     };
 
-    const projects = await docClient.query(params).promise();
+    const projects = await docClient.query(params);
 
     return {
       status: 200,

tasker-server/src/handlers/getTasks.ts

@@ -3,27 +3,29 @@ import {
   fetchComments,
   fetchUserWithUserId,
 } from "@/lib/util";
-import { DynamoDB } from "aws-sdk";
+import { DynamoDBClient } from "@aws-sdk/client-dynamodb";
+import { DynamoDBDocument, QueryCommandInput } from "@aws-sdk/lib-dynamodb";
 
 const SLS_REGION = process.env.SLS_REGION;
 const TASKER_TASK_TABLE_NAME = process.env.TASKER_TASK_TABLE_NAME || "";
 
-const docClient = new DynamoDB.DocumentClient({ region: SLS_REGION });
+const client = new DynamoDBClient({ region: SLS_REGION });
+const docClient = DynamoDBDocument.from(client);
 
 export const handler = async (event: any): Promise<any> => {
   const { projectId } = event.queryStringParameters;
   try {
-    const params = {
+    const params: QueryCommandInput = {
       TableName: TASKER_TASK_TABLE_NAME,
-      KeyConditionExpression: "type = :type AND projectId = :projectId",
+      KeyConditionExpression: "category = :category AND projectId = :projectId",
       IndexName: "GSI-project-id",
       ExpressionAttributeValues: {
-        ":type": "tasks",
+        ":category": "tasks",
         ":projectId": projectId,
       },
     };
 
-    const result = await docClient.query(params).promise();
+    const result = await docClient.query(params);
     const tasks = result.Items || [];
 
     const tasksWithDetails = await Promise.all(

tasker-server/src/handlers/getTeams.ts

@@ -1,22 +1,24 @@
 import { fetchUserWithUserId } from "@/lib/util";
-import { DynamoDB } from "aws-sdk";
+import { DynamoDBClient } from "@aws-sdk/client-dynamodb";
+import { DynamoDBDocument, QueryCommandInput } from "@aws-sdk/lib-dynamodb";
 
 const SLS_REGION = process.env.SLS_REGION;
 const TASKER_TEAM_TABLE_NAME = process.env.TASKER_TEAM_TABLE_NAME || "";
 
-const docClient = new DynamoDB.DocumentClient({ region: SLS_REGION });
+const client = new DynamoDBClient({ region: SLS_REGION });
+const docClient = DynamoDBDocument.from(client);
 
 export const handler = async (event: any): Promise<any> => {
   try {
-    const params = {
+    const params: QueryCommandInput = {
       TableName: TASKER_TEAM_TABLE_NAME,
-      KeyConditionExpression: "type = :type",
+      KeyConditionExpression: "category = :category",
       ExpressionAttributeValues: {
-        ":type": "teams",
+        ":category": "teams",
       },
     };
 
-    const result = await docClient.query(params).promise();
+    const result = await docClient.query(params);
     const teams = result.Items || [];
 
     const teamsWithUsernames = await Promise.all(

tasker-server/src/handlers/getUser.ts

@@ -1,23 +1,25 @@
-import { DynamoDB } from "aws-sdk";
+import { DynamoDBClient } from "@aws-sdk/client-dynamodb";
+import { DynamoDBDocument, QueryCommandInput } from "@aws-sdk/lib-dynamodb";
 
 const SLS_REGION = process.env.SLS_REGION;
 const TASKER_USER_TABLE_NAME = process.env.TASKER_USER_TABLE_NAME || "";
 
-const docClient = new DynamoDB.DocumentClient({ region: SLS_REGION });
+const client = new DynamoDBClient({ region: SLS_REGION });
+const docClient = DynamoDBDocument.from(client);
 
 export const handler = async (event: any): Promise<any> => {
   const { cognitoId } = event.pathParameters;
   try {
-    const params = {
+    const params: QueryCommandInput = {
       TableName: TASKER_USER_TABLE_NAME,
-      KeyConditionExpression: "type = :type AND cognitoId = :cognitoId",
+      KeyConditionExpression: "category = :category AND cognitoId = :cognitoId",
       ExpressionAttributeValues: {
-        ":type": "users",
+        ":category": "users",
         ":cognitoId": cognitoId,
       },
     };
 
-    const user = await docClient.query(params).promise();
+    const user = await docClient.query(params);
 
     return {
       status: 200,

tasker-server/src/handlers/getUsers.ts

@@ -1,21 +1,23 @@
-import { DynamoDB } from "aws-sdk";
+import { DynamoDBClient } from "@aws-sdk/client-dynamodb";
+import { DynamoDBDocument, QueryCommandInput } from "@aws-sdk/lib-dynamodb";
 
 const SLS_REGION = process.env.SLS_REGION;
 const TASKER_USER_TABLE_NAME = process.env.TASKER_USER_TABLE_NAME || "";
 
-const docClient = new DynamoDB.DocumentClient({ region: SLS_REGION });
+const client = new DynamoDBClient({ region: SLS_REGION });
+const docClient = DynamoDBDocument.from(client);
 
 export const handler = async (event: any): Promise<any> => {
   try {
-    const params = {
+    const params: QueryCommandInput = {
       TableName: TASKER_USER_TABLE_NAME,
-      KeyConditionExpression: "type = :type",
+      KeyConditionExpression: "category = :category",
       ExpressionAttributeValues: {
-        ":type": "users",
+        ":category": "users",
       },
     };
 
-    const users = await docClient.query(params).promise();
+    const users = await docClient.query(params);
 
     return {
       status: 200,

tasker-server/src/handlers/postSignUp.ts

@@ -0,0 +1,34 @@
+import https from "https";
+
+export const handler = async (event: any): Promise<any> => {
+  const postData = JSON.stringify({
+    username:
+      event.request.userAttributes["preferred_username"] || event.userName,
+    cognitoId: event.userName,
+  });
+
+  const options = {
+    hostname: process.env.API_URL,
+    port: 443,
+    path: "/users",
+    method: "POST",
+    headers: {
+      "Content-category": "application/json",
+      "Content-Length": Buffer.byteLength(postData),
+    },
+  };
+
+  const responseBody = new Promise((resolve, reject) => {
+    const req = https.request(options, (res) => {
+      res.setEncoding("utf8");
+      let responseBody = "";
+      res.on("data", (chunk) => (responseBody += chunk));
+      res.on("end", () => resolve(responseBody));
+    });
+    req.on("error", (error) => reject(error));
+    req.write(postData);
+    req.end();
+  });
+
+  return event;
+};

tasker-server/src/handlers/updateTaskStatus.ts

@@ -1,18 +1,20 @@
-import { DynamoDB } from "aws-sdk";
+import { DynamoDBClient } from "@aws-sdk/client-dynamodb";
+import { DynamoDBDocument, UpdateCommandInput } from "@aws-sdk/lib-dynamodb";
 
 const SLS_REGION = process.env.SLS_REGION;
 const TASKER_TASK_TABLE_NAME = process.env.TASKER_TASK_TABLE_NAME || "";
 
-const docClient = new DynamoDB.DocumentClient({ region: SLS_REGION });
+const client = new DynamoDBClient({ region: SLS_REGION });
+const docClient = DynamoDBDocument.from(client);
 
 export const handler = async (event: any): Promise<any> => {
   const { taskId } = event.pathParameters;
   const { status } = event.body;
   try {
-    const params = {
+    const params: UpdateCommandInput = {
       TableName: TASKER_TASK_TABLE_NAME,
       Key: {
-        type: "tasks",
+        category: "tasks",
         taskId,
       },
       UpdateExpression: "set #status = :status",
@@ -25,7 +27,7 @@ export const handler = async (event: any): Promise<any> => {
       ReturnValues: "ALL_NEW",
     };
 
-    const updatedTask = await docClient.update(params).promise();
+    const updatedTask = await docClient.update(params);
 
     return {
       status: 200,

tasker-server/src/lib/util.ts

@@ -1,4 +1,5 @@
-import { DynamoDB } from "aws-sdk";
+import { DynamoDBClient } from "@aws-sdk/client-dynamodb";
+import { DynamoDBDocument, QueryCommandInput } from "@aws-sdk/lib-dynamodb";
 
 const SLS_REGION = process.env.SLS_REGION;
 const TASKER_PROJECT_TABLE_NAME = process.env.TASKER_PROJECT_TABLE_NAME || "";
@@ -7,18 +8,19 @@ const TASKER_TASK_TABLE_NAME = process.env.TASKER_TASK_TABLE_NAME || "";
 const TASKER_TASK_EXTRA_TABLE_NAME =
   process.env.TASKER_TASK_EXTRA_TABLE_NAME || "";
 
-const docClient = new DynamoDB.DocumentClient({ region: SLS_REGION });
+const client = new DynamoDBClient({ region: SLS_REGION });
+const docClient = DynamoDBDocument.from(client);
 
 export const fetchRandomTeamId = async () => {
   const params = {
     TableName: TASKER_PROJECT_TABLE_NAME,
-    KeyConditionExpression: "type = :type",
+    KeyConditionExpression: "category = :category",
     ExpressionAttributeValues: {
-      ":type": "teams",
+      ":category": "teams",
     },
   };
 
-  const projects = await docClient.query(params).promise();
+  const projects = await docClient.query(params);
   if (!projects.Items) {
     return null;
   }
@@ -28,47 +30,47 @@ export const fetchRandomTeamId = async () => {
 };
 
 export const fetchUserWithUserId = async (userId: string): Promise<any> => {
-  const params: DynamoDB.DocumentClient.QueryInput = {
+  const params: QueryCommandInput = {
     TableName: TASKER_USER_TABLE_NAME,
-    KeyConditionExpression: "type = :type AND userId = :userId",
+    KeyConditionExpression: "category = :category AND userId = :userId",
     IndexName: "GSI-user-id",
     ExpressionAttributeValues: {
-      ":type": "users",
+      ":category": "users",
       ":userId": userId,
     },
   };
 
-  const result = await docClient.query(params).promise();
+  const result = await docClient.query(params);
   return result.Items?.[0];
 };
 
 export const fetchComments = async (taskId: string): Promise<any> => {
-  const params: DynamoDB.DocumentClient.QueryInput = {
+  const params: QueryCommandInput = {
     TableName: TASKER_TASK_EXTRA_TABLE_NAME,
-    KeyConditionExpression: "type = :type AND taskId = :taskId",
+    KeyConditionExpression: "category = :category AND taskId = :taskId",
     IndexName: "GSI-task-id",
     ExpressionAttributeValues: {
-      ":type": "comments",
+      ":category": "comments",
       ":taskId": taskId,
     },
   };
 
-  const result = await docClient.query(params).promise();
+  const result = await docClient.query(params);
   return result.Items;
 };
 
 export const fetchAttachments = async (taskId: string): Promise<any> => {
-  const params: DynamoDB.DocumentClient.QueryInput = {
+  const params: QueryCommandInput = {
     TableName: TASKER_TASK_EXTRA_TABLE_NAME,
-    KeyConditionExpression: "type = :type AND taskId = :taskId",
+    KeyConditionExpression: "category = :category AND taskId = :taskId",
     IndexName: "GSI-task-id",
     ExpressionAttributeValues: {
-      ":type": "attachments",
+      ":category": "attachments",
       ":taskId": taskId,
     },
   };
 
-  const result = await docClient.query(params).promise();
+  const result = await docClient.query(params);
   return result.Items;
 };
 
@@ -76,13 +78,13 @@ export const queryTasks = async (
   userId: string,
   indexName: string,
   key: string
-): Promise<DynamoDB.ItemList> => {
+): Promise<any> => {
-  const params = {
+  const params: QueryCommandInput = {
     TableName: TASKER_TASK_TABLE_NAME,
-    KeyConditionExpression: "type = :type AND #key = :userId",
+    KeyConditionExpression: "category = :category AND #key = :userId",
     IndexName: indexName,
     ExpressionAttributeValues: {
-      ":type": "tasks",
+      ":category": "tasks",
       ":userId": userId,
     },
     ExpressionAttributeNames: {
@@ -90,6 +92,6 @@ export const queryTasks = async (
     },
   };
 
-  const result = await docClient.query(params).promise();
+  const result = await docClient.query(params);
   return result.Items ?? [];
 };

tasker-server/terraform/dynamodb.tf

@@ -1,11 +1,11 @@
 resource "aws_dynamodb_table" "tasker_project_table" {
   name         = "tasker-project-table"
   billing_mode = "PAY_PER_REQUEST"
-  hash_key     = "type"
+  hash_key     = "category"
   range_key    = "projectId"
 
   attribute {
-    name = "type"
+    name = "category"
     type = "S"
   }
 
@@ -30,11 +30,11 @@ resource "aws_ssm_parameter" "tasker_project_table_arn" {
 resource "aws_dynamodb_table" "tasker_user_table" {
   name         = "tasker-user-table"
   billing_mode = "PAY_PER_REQUEST"
-  hash_key     = "type"
+  hash_key     = "category"
   range_key    = "cognitoId"
 
   attribute {
-    name = "type"
+    name = "category"
     type = "S"
   }
 
@@ -50,7 +50,7 @@ resource "aws_dynamodb_table" "tasker_user_table" {
 
   global_secondary_index {
     name            = "GSI-user-id"
-    hash_key        = "type"
+    hash_key        = "category"
     range_key       = "userId"
     projection_type = "ALL"
   }
@@ -71,11 +71,11 @@ resource "aws_ssm_parameter" "tasker_user_table_arn" {
 resource "aws_dynamodb_table" "tasker_team_table" {
   name         = "tasker-team-table"
   billing_mode = "PAY_PER_REQUEST"
-  hash_key     = "type"
+  hash_key     = "category"
   range_key    = "teamId"
 
   attribute {
-    name = "type"
+    name = "category"
     type = "S"
   }
 
@@ -100,11 +100,11 @@ resource "aws_ssm_parameter" "tasker_team_table_arn" {
 resource "aws_dynamodb_table" "tasker_task_table" {
   name         = "tasker-task-table"
   billing_mode = "PAY_PER_REQUEST"
-  hash_key     = "type"
+  hash_key     = "category"
   range_key    = "taskId"
 
   attribute {
-    name = "type"
+    name = "category"
     type = "S"
   }
 
@@ -130,21 +130,21 @@ resource "aws_dynamodb_table" "tasker_task_table" {
 
   global_secondary_index {
     name            = "GSI-project-id"
-    hash_key        = "type"
+    hash_key        = "category"
     range_key       = "projectId"
     projection_type = "ALL"
   }
 
   global_secondary_index {
     name            = "GSI-author-user-id"
-    hash_key        = "type"
+    hash_key        = "category"
     range_key       = "authorUserId"
     projection_type = "ALL"
   }
 
   global_secondary_index {
     name            = "GSI-assigned-user-id"
-    hash_key        = "type"
+    hash_key        = "category"
     range_key       = "assignedUserId"
     projection_type = "ALL"
   }
@@ -165,11 +165,11 @@ resource "aws_ssm_parameter" "tasker_task_table_arn" {
 resource "aws_dynamodb_table" "tasker_task_extra_table" {
   name         = "tasker-task-extra-table"
   billing_mode = "PAY_PER_REQUEST"
-  hash_key     = "type"
+  hash_key     = "category"
   range_key    = "id"
 
   attribute {
-    name = "type"
+    name = "category"
     type = "S"
   }
 
@@ -185,7 +185,7 @@ resource "aws_dynamodb_table" "tasker_task_extra_table" {
 
   global_secondary_index {
     name            = "GSI-task-id"
-    hash_key        = "type"
+    hash_key        = "category"
     range_key       = "taskId"
     projection_type = "ALL"
   }

tasker-server/terraform/layer.tf

@@ -0,0 +1,24 @@
+resource "aws_s3_bucket" "tasker_lambda_layer" {
+  bucket = "tasker-lambda-layer"
+}
+
+resource "aws_s3_object" "tasker_lambda_layer_zip" {
+  bucket = aws_s3_bucket.tasker_lambda_layer.id
+  key    = "layers/tasker-layer.zip"
+  source = "../layers/tasker-layer.zip"
+}
+
+resource "aws_lambda_layer_version" "tasker_layer" {
+  layer_name          = "tasker-layer"
+  s3_bucket           = aws_s3_object.tasker_lambda_layer_zip.bucket
+  s3_key              = aws_s3_object.tasker_lambda_layer_zip.key
+  compatible_runtimes = ["nodejs20.x"]
+
+  description = "Tasker Lambda Layer with shared dependencies"
+}
+
+resource "aws_ssm_parameter" "tasker_layer_arn" {
+  name  = "/tasker/layers/tasker-layer-arn"
+  type  = "String"
+  value = aws_lambda_layer_version.tasker_layer.arn
+}