fix: ensuring aws lambda compatible zip (#312)

Author: russorat

Diff for: CHANGELOG.md

@@ -14,6 +14,7 @@
 1. [#290](https://github.com/influxdata/influxdb-client-python/pull/290): `Threshold` domain models mapping 
 1. [#290](https://github.com/influxdata/influxdb-client-python/pull/290): `DashboardService` responses types
 1. [#303](https://github.com/influxdata/influxdb-client-python/pull/303): Backslash escaping in serialization to Line protocol
+1. [#312](https://github.com/influxdata/influxdb-client-python/pull/312): Zip structure for AWS Lambda
 
 ## 1.19.0 [2021-07-09]
 

Diff for: docker/aws_lambda_layer/Dockerfile

@@ -11,5 +11,6 @@ RUN source lambda/bin/activate
 # Python dependencies to be included in output zip file:
 RUN python3.8 -m pip install --no-cache-dir influxdb-client[ciso] -t /install/python
 # Create zip file
-RUN zip -r /install/python.zip python/
-VOLUME ["/install"]
+WORKDIR /install/python
+RUN zip -r ../python.zip .
+VOLUME ["/install"]