Bump to go v1.13 and related version updates (#24)

rfay · web-flow · commit 972cc695ff8c · 2019-09-11T17:06:56.000-06:00
diff --git a/Dockerfile b/Dockerfile
@@ -1,7 +1,7 @@
-FROM golang:1.12.7-alpine
-ENV GOLANGCI_LINT_VERSION v1.17.1
+FROM golang:1.13-alpine
+ENV GOLANGCI_LINT_VERSION v1.18.0
 ENV GOTESTSUM_VERSION 0.3.5
-ENV PACKR2_VERSION 2.5.2
+ENV PACKR2_VERSION 2.6.0
 
 RUN apk update && apk add git bash build-base curl
 
