template.yaml.docker-image.patch

--- a/template.yaml
+++ b/template.yaml
@@ -55,12 +55,25 @@
     Description: Salck Signing Token
     NoEcho: true
 
-Mappings:
-  RegionToLayerArnMap:
-    us-east-1:
-      "LayerArn": "arn:aws:lambda:us-east-1:177933569100:layer:AWS-Parameters-and-Secrets-Lambda-Extension:4"
-    us-east-2:
-      "LayerArn": "arn:aws:lambda:us-east-2:590474943231:layer:AWS-Parameters-and-Secrets-Lambda-Extension:4"
+  ###
+  # Parameters used only for `sam build`
+  ###
+  AwsAccessKeyId:
+    Type: String
+    Description: AWS_ACCESS_KEY_ID
+    NoEcho: true
+    Default: ''
+
+  AwsSecretAccessKey:
+    Type: String
+    Description: AWS_SECRET_ACCESS_KEY
+    NoEcho: true
+    Default: ''
+
+  Tag:
+    Type: String
+    Default: latest
+    Description: Docker tag to build and deploy.
 
 Globals:
   Function:
@@ -71,10 +84,7 @@
   PritunlSlackFunction:
     Type: AWS::Serverless::Function
     Properties:
-      CodeUri: pritunl_slack_app/function
-      Handler: pritunl_slack_app.function_handler.handler
-      Runtime: python3.10
-      PackageType: Zip
+      PackageType: Image
       Architectures:
         - x86_64
       Environment:
@@ -109,8 +119,14 @@
                 - "lambda:InvokeAsync"
               Resource:
                 - "*"
-      Layers:
-        - !FindInMap [RegionToLayerArnMap, !Ref "AWS::Region", LayerArn]
+    Metadata:
+      Dockerfile: lambda-function.Dockerfile
+      DockerContext: .
+      DockerTag: !Ref Tag
+
+      DockerBuildArgs:
+        AWS_ACCESS_KEY_ID: !Ref AwsAccessKeyId
+        AWS_SECRET_ACCESS_KEY: !Ref AwsSecretAccessKey
 
   PritunlSlackUrlFunctionPermissions:
     Type: AWS::Lambda::Permission