update dockerfile and travis config to use go 1.12

ploxiln · ploxiln · commit 80092768d44b · 2019-03-21T11:52:28.000-04:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,10 +1,10 @@
 dist: xenial
 language: go
 go:
-  - 1.8.x
   - 1.9.x
   - 1.10.x
   - 1.11.x
+  - 1.12.x
 go_import_path: github.com/ploxiln/oauth2_proxy
 install:
   - wget -O dep https://github.com/golang/dep/releases/download/v0.5.0/dep-linux-amd64
diff --git a/Dockerfile b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.11-alpine
+FROM golang:1.12-alpine
 
 RUN apk update && apk add git
 RUN wget -O /usr/local/bin/dep \
