feat: upgrade to Go 1.13. Closes #1375

.circleci/config.yml

@@ -23,20 +23,20 @@ commands:
   install_golang:
     steps:
       - run:
-          name: Install Golang v1.12.6
+          name: Install Golang v1.13.4
           command: |
-            go get golang.org/dl/go1.12.6
-            [ -e /home/circleci/sdk/go1.12.6 ] || go1.12.6 download
+            go get golang.org/dl/go1.13.4
+            [ -e /home/circleci/sdk/go1.13.4 ] || go1.13.4 download
             echo "export GOPATH=/home/circleci/.go_workspace" | tee -a $BASH_ENV
-            echo "export PATH=/home/circleci/sdk/go1.12.6/bin:\$PATH" | tee -a $BASH_ENV
+            echo "export PATH=/home/circleci/sdk/go1.13.4/bin:\$PATH" | tee -a $BASH_ENV
   save_go_cache:
     steps:
       - save_cache:
           name: Save Golang cache
           key: go-v5-{{ .Branch }}-{{ .Environment.CIRCLE_JOB }}
           paths:
             - /home/circleci/.cache/go-build
-            - /home/circleci/sdk/go1.12.6
+            - /home/circleci/sdk/go1.13.4
           when: always
   restore_go_cache:
     steps:

.gitignore

@@ -8,6 +8,7 @@ cmd/**/debug
 hack/**/debug
 /argo
 /argoexec
+/sdks
 debug.test
 *.iml
 /coverage.out

Dockerfile

@@ -3,7 +3,7 @@
 # Initial stage which pulls prepares build dependencies and CLI tooling we need for our final image
 # Also used as the image in CI jobs so needs all dependencies
 ####################################################################################################
-FROM golang:1.11.5 as builder
+FROM golang:1.13.4 as builder
 
 RUN apt-get update && apt-get install -y \
     git \

Dockerfile.dev

@@ -3,7 +3,7 @@
 # Initial stage which pulls prepares build dependencies and CLI tooling we need for our final image
 # Also used as the image in CI jobs so needs all dependencies
 ####################################################################################################
-FROM golang:1.11.5 as builder
+FROM golang:1.13.4 as builder
 
 RUN apt-get update && apt-get install -y \
     git \