Upgrade to serverless 3

.env.local

@@ -0,0 +1,4 @@
+SLACK_SIGNING_SECRET=A
+SLACK_CLIENT_ID=B
+SLACK_CLIENT_SECRET=C
+STATE_SECRET=D

package.json

@@ -11,8 +11,8 @@
     "lint:eslint": "eslint \"**/*.{js,ts}\"",
     "lint:openapi": "openapi lint",
     "db:install": "serverless plugin install --name serverless-dynamodb-local && serverless dynamodb install",
-    "db:start": "serverless dynamodb start",
-    "dev": "serverless offline",
+    "db:start": "serverless dynamodb start --stage=local",
+    "dev": "serverless offline --stage=local",
     "wait": "npm-run-all wait:*",
     "wait:db": "wait-on tcp:8000",
     "wait:dev": "wait-on tcp:3000",
@@ -41,17 +41,17 @@
     "jest": "27.0.4",
     "npm-run-all": "^4.1.5",
     "prettier": "2.3.1",
-    "serverless": "^2.72.2",
+    "serverless": "^3.12.0",
     "serverless-api-gateway-throttling": "^1.2.2",
     "serverless-dynamodb-local": "^0.2.40",
-    "serverless-offline": "^8.4.0",
-    "serverless-webpack": "^5.6.1",
+    "serverless-offline": "^8.5.0",
+    "serverless-webpack": "^5.7.0",
     "supertest": "^6.1.3",
     "ts-jest": "27.0.3",
     "typescript": "^4.3.4",
     "wait-on": "^5.2.0",
-    "webpack": "^5.39.1",
-    "webpack-cli": "^4.7.2"
+    "webpack": "^5.72.0",
+    "webpack-cli": "^4.9.2"
   },
   "dependencies": {
     "@slack/bolt": "^3.9.0",
@@ -66,4 +66,4 @@
     "fp-ts": "^2.11.8",
     "io-ts": "^2.2.16"
   }
-}
+}

serverless.yml

@@ -1,16 +1,18 @@
 service: lockbot
 
+frameworkVersion: "3"
+
 useDotenv: true
 
 plugins:
   - serverless-webpack
   - serverless-dynamodb-local
   - serverless-offline
   - serverless-api-gateway-throttling
+
 provider:
   name: aws
   runtime: nodejs14.x
-  lambdaHashingVersion: 20201221
   environment:
     SLACK_SIGNING_SECRET: ${env:SLACK_SIGNING_SECRET}
     SLACK_CLIENT_ID: ${env:SLACK_CLIENT_ID}
@@ -135,7 +137,7 @@ custom:
   accessTokensTableName: ${self:custom.stage}-lockbot-tokens
   dynamodb:
     stages:
-      - dev # https://bit.ly/35WR0TT
+      - local # https://bit.ly/35WR0TT
   apiGatewayThrottling:
     maxRequestsPerSecond: 200
     maxConcurrentRequests: 100