Upgrade Go to version 1.11 and enable Go modules

Removes Glide as a module manager

.travis.yml

@@ -2,7 +2,11 @@
 language: go
 
 go:
-  - "1.9"
+  - "1.11"
+
+env:
+  global:
+    - GO111MODULE=on
 
 install: make deps
 script: make all

Dockerfile

@@ -1,8 +1,9 @@
-FROM netlify/go-glide:v0.12.3
+FROM golang:1.11
 
-ADD . /go/src/github.com/netlify/gocommerce
+RUN useradd -m netlify
 
-RUN useradd -m netlify && cd /go/src/github.com/netlify/gocommerce && make deps build_linux && mv gocommerce /usr/local/bin/
+ADD . /src
+RUN cd /src && make deps build_linux && mv gocommerce /usr/local/bin/
 
 USER netlify
 CMD ["gocommerce"]

Makefile

@@ -38,7 +38,7 @@ release: ## Upload release to GitHub releases.
 
 deps: ## Install dependencies.
 	@go get -u golang.org/x/lint/golint
-	@go get -u github.com/Masterminds/glide && glide install
+	@go mod download
 
 image: ## Build the Docker image.
 	docker build .

README.md

@@ -65,7 +65,9 @@ The easiest way to use GoCommerce is with [commerce-js](https://github.com/netli
 
 ## Running the GoCommerce backend
 
-GoCommerce can be deployed to any server environment that runs Go. The button below provides a quick way to get started by running on Heroku:
+GoCommerce can be deployed to any server environment that runs Go. Minimum requirement for Go is version 1.11 since GoCommerce is using Go modules.
+
+The button below provides a quick way to get started by running on Heroku:
 
 [![Deploy](https://www.herokucdn.com/deploy/button.svg)](https://heroku.com/deploy?template=https://github.com/netlify/gocommerce)