Update docs/refs to node 8

docs/workflows/developing-workflow-tasks.md

@@ -28,7 +28,7 @@ For a step-by-step example of using the `cumulus_ecs_module`, please see the rel
 
 ### Cumulus Docker Image
 
-ECS activities require a docker image.  Cumulus provides a docker image ([source](https://github.com/nasa/cumulus-ecs-task) for node 8.10 lambdas on dockerhub: [cumuluss/cumulus-ecs-task](https://hub.docker.com/r/cumuluss/cumulus-ecs-task).
+ECS activities require a docker image.  Cumulus provides a docker image ([source](https://github.com/nasa/cumulus-ecs-task) for node 10x+ lambdas on dockerhub: [cumuluss/cumulus-ecs-task](https://hub.docker.com/r/cumuluss/cumulus-ecs-task).
 
 ### Alternate Docker Images
 

docs/workflows/lambda.md

@@ -12,7 +12,7 @@ AWS provides great getting started guide for building Lambdas in the [developer
 
 Cumulus currently supports the following environments for Cumulus Message Adapter enabled functions:
 
-* [Node.js 8.10](https://docs.aws.amazon.com/lambda/latest/dg/programming-model.html)
+* [Node.js 10.16.3](https://docs.aws.amazon.com/lambda/latest/dg/programming-model.html)
 * [Java 8](https://docs.aws.amazon.com/lambda/latest/dg/java-programming-model.html)
 * [Python 2.7, 3.6](https://docs.aws.amazon.com/lambda/latest/dg/python-programming-model.html)
 

packages/api/ecs/async-operation/Dockerfile

@@ -1,4 +1,4 @@
-FROM node:8.10
+FROM node:10.16.3
 
 USER root
 RUN sed -i -e '/jessie-updates/d' /etc/apt/sources.list

packages/task-debug/README.md

@@ -30,7 +30,7 @@ is always used.
 
 * Currently only linear workflows are supported, e.g., no branching, but it should be pretty simple
 to add branching support later.
-* Because of the dynamic loading of tasks it is recommend to use node 8 without transpiling when
+* Because of the dynamic loading of tasks it is recommend to use node 10 without transpiling when
 debugging to avoid the need to generate and deal with source maps
 
 ## About Cumulus