Compliation and deployment, get the endpoint verification working

.buildkite/bundle.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+
+set -eo pipefail
+
+cd "/var/task/reservation-bot"
+bundle config set deployment true
+bundle install --without test development

.buildkite/notes.txt

@@ -0,0 +1,5 @@
+docker-compose build
+docker-compose run --rm compile
+
+docker-compose run --rm -w "/opt/app/" serverless sls deploy --verbose
+

.gitignore

@@ -19,3 +19,7 @@ atlassian-ide-plugin.xml
 .env
 .rvmrc
 
+# Generated by the compilation for deployment
+vendor
+.bundle
+.serverless

Dockerfile

@@ -0,0 +1,7 @@
+FROM lambci/lambda:build-ruby2.7
+
+ENV BASE=/var/task/reservation-bot/
+
+RUN mkdir ${BASE}
+WORKDIR ${BASE}
+COPY . ${BASE}

docker-compose.yml

@@ -11,10 +11,10 @@ services:
       AWS_SECRET_ACCESS_KEY:
       AWS_SESSION_TOKEN:
       AWS_SECURITY_TOKEN:
-#
-#  lambda_tests:
-#    build:
-#      context: .
-#      dockerfile: Dockerfile.rspec
-#    volumes:
-#    - .:/var/task/
+
+  compile:
+    build:
+      context: .
+    volumes:
+    - .:/var/task/
+    command: .buildkite/bundle.sh

handler.rb

@@ -21,12 +21,20 @@ class Handler
   #     'event_time': 1496764428
   # }
   def self.action(event:, context:)
-    p event.inspect
+    payload = JSON.parse(event['body'])
+    p payload
 
-    {
+    response = {
       statusCode: 200,
-      body:    JSON.generate({ challenge: event['challenge'] }),
-      headers: JSON.generate({ 'X-Slack-No-Retry': 1 })
+      body:     { challenge: payload['challenge'] }.to_json
     }
+    p response
+
+    response
+
+  rescue StandardError => e
+    puts e.message
+    puts e.backtrace.inspect
+    { statusCode: 500, body: {error: e.message, trace: e.backtrace&.join("\n")}.to_json }
   end
 end

serverless.yml

@@ -15,12 +15,16 @@ provider:
 functions:
   reservationbot:
     memorySize: 256
-    name: ${opt:stage}-reservation-bot
+    name: ${self:service}
     handler: handler.Handler.action
     events:
     - http:
         path: "/action"
         method: post
+        response:
+          headers:
+            Content-Type: "application/json"
+            X-Slack-No-Retry: "1"
     environment:
-      VERIFICATION_TOKEN: ${ssm:/reservationbot/slack_verification_token}
-      BOT_TOKEN: ${ssm:/reservationbot/slack_bot_token}
+      VERIFICATION_TOKEN: ${ssm:/reservationbot/slack.verification.token}
+      BOT_TOKEN: ${ssm:/reservationbot/slack.bot.oauth.token}