fix: migrate to common prism setup

.gitignore

@@ -4,4 +4,5 @@ temp.go
 .env
 coverage.txt
 sendgrid.env
-.vscode
+.vscode
+prism

.travis.yml

@@ -1,20 +1,18 @@
 language: go
-go:
-  - 1.7.x
-  - 1.8.x
-  - 1.9.x
-  - 1.10.x
-  - 1.11.x
-  - 1.12.x
-  - 1.13.x
-  - 1.14.x
-  - tip
 
-before_script:
-  - $HOME/gopath/src/github.com/sendgrid/sendgrid-go/prism.sh
+env:
+  - version=1.7
+  - version=1.8
+  - version=1.9
+  - version=1.10
+  - version=1.11
+  - version=1.12
+  - version=1.13
+  - version=1.14
+  - version=latest
 
 script:
-  - make test
+  - make test-docker
 
 after_success:
   - bash <(curl -s https://codecov.io/bash)

Dockerfile

@@ -0,0 +1,10 @@
+ARG version=latest
+FROM golang:$version
+
+COPY prism/prism/nginx/cert.crt /usr/local/share/ca-certificates/cert.crt
+RUN update-ca-certificates
+
+WORKDIR /go/src/github.com/sendgrid/sendgrid-go
+COPY . .
+
+RUN make install

Makefile

@@ -1,8 +1,13 @@
-.PHONY: test install
+.PHONY: test install test-integ test-docker
 
 install:
 	go get -t -v ./...
 
-test: install
+test:
 	./go.coverage.sh
-	go test -cover -v -race ./... | grep -v -E '/vendor|/examples|/docker'
+
+test-integ: test
+
+version ?= latest
+test-docker:
+	curl -s https://raw.githubusercontent.com/sendgrid/sendgrid-oai/master/prism/prism.sh | version=$(version) bash