multi: update build systems and CI/CD to go 1.16

.github/workflows/main.yml

@@ -24,7 +24,7 @@ env:
   # /dev.Dockerfile
   # /make/builder.Dockerfile
   # /.github/workflows/release.yml
-  GO_VERSION: 1.15.7
+  GO_VERSION: 1.16.3
 
 jobs:
   ########################

.github/workflows/release.yaml

@@ -16,7 +16,7 @@ env:
   # /dev.Dockerfile
   # /make/builder.Dockerfile
   # /.github/workflows/main.yml
-  GO_VERSION: 1.15.7
+  GO_VERSION: 1.16.3
 
 jobs:
   main:

.travis.yml

@@ -21,7 +21,7 @@ go:
   # /make/builder.Dockerfile
   # /.github/workflows/main.yml
   # /.github/workflows/release.yml
-  - "1.15.7"
+  - 1.16.3
 
 env:
   global:

Dockerfile

@@ -4,7 +4,7 @@
 # /make/builder.Dockerfile
 # /.github/workflows/main.yml
 # /.github/workflows/release.yml
-FROM golang:1.15.7-alpine as builder
+FROM golang:1.16.3-alpine as builder
 
 # Force Go to use the cgo based DNS resolver. This is required to ensure DNS
 # queries required to connect to linked containers succeed.

dev.Dockerfile

@@ -4,7 +4,7 @@
 # /make/builder.Dockerfile
 # /.github/workflows/main.yml
 # /.github/workflows/release.yml
-FROM golang:1.15.7-alpine as builder
+FROM golang:1.16.3-alpine as builder
 
 LABEL maintainer="Olaoluwa Osuntokun <laolu@lightning.engineering>"
 

docker/btcd/Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.15.7-alpine as builder
+FROM golang:1.16.3-alpine as builder
 
 LABEL maintainer="Olaoluwa Osuntokun <laolu@lightning.engineering>"
 

docker/ltcd/Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.15.7-alpine as builder
+FROM golang:1.16.3-alpine as builder
 
 LABEL maintainer="Olaoluwa Osuntokun <laolu@lightning.engineering>"
 

lnrpc/Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.15.7-buster
+FROM golang:1.16.3-buster
 
 RUN apt-get update && apt-get install -y \
   git \

make/builder.Dockerfile

@@ -4,7 +4,7 @@
 # /dev.Dockerfile
 # /.github/workflows/main.yml
 # /.github/workflows/release.yml
-FROM golang:1.15.7-buster
+FROM golang:1.16.3-buster
 
 MAINTAINER Olaoluwa Osuntokun <laolu@lightning.engineering>