build: Improve build pipeline (ory#1114)

Signed-off-by: arekkas <aeneas@ory.am>

.dockerignore

@@ -9,4 +9,5 @@ test/
 scripts/
 sdk/js
 sdk/php
-docs/
+docs/
+vendor/

.gitignore

@@ -16,3 +16,4 @@ Dockerfile-plugin-*
 plugin-*.so
 hydra-docker-bin
 cookies.txt
+vendor/

Dockerfile

@@ -13,6 +13,7 @@ ENV GO111MODULE=on
 ADD ./go.mod ./go.mod
 ADD ./go.sum ./go.sum
 
+RUN go mod download
 
 ADD . .
 

Dockerfile-alpine

@@ -17,6 +17,7 @@ RUN go mod download
 
 ADD . .
 
+RUN go mod verify
 RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -ldflags "-s -X github.com/ory/hydra/cmd.Version=$git_tag -X github.com/ory/hydra/cmd.BuildTime=`TZ=UTC date -u '+%Y-%m-%dT%H:%M:%SZ'` -X github.com/ory/hydra/cmd.GitHash=$git_commit" -a -installsuffix cgo -o hydra
 
 FROM alpine:3.7

go.mod

@@ -1,14 +1,15 @@
 module github.com/ory/hydra
 
 require (
+	cloud.google.com/go v0.31.0 // indirect
+	contrib.go.opencensus.io/exporter/stackdriver v0.7.0 // indirect
 	github.com/BurntSushi/toml v0.3.1 // indirect
-	github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973 // indirect
 	github.com/bmizerany/assert v0.0.0-20160611221934-b7ed37b82869 // indirect
 	github.com/codahale/hdrhistogram v0.0.0-20161010025455-3a0bb77429bd // indirect
 	github.com/dgrijalva/jwt-go v3.2.0+incompatible
 	github.com/go-sql-driver/mysql v1.4.0
 	github.com/golang/mock v1.1.1
-	github.com/google/go-cmp v0.2.0 // indirect
+	github.com/google/martian v2.1.0+incompatible // indirect
 	github.com/gorilla/context v1.1.1
 	github.com/gorilla/securecookie v0.0.0-20160422134519-667fe4e3466a
 	github.com/gorilla/sessions v0.0.0-20160922145804-ca9ada445741
@@ -20,7 +21,6 @@ require (
 	github.com/kr/pretty v0.1.0 // indirect
 	github.com/lib/pq v1.0.0
 	github.com/mattn/go-sqlite3 v1.9.0 // indirect
-	github.com/matttproud/golang_protobuf_extensions v1.0.0 // indirect
 	github.com/meatballhat/negroni-logrus v0.0.0-20170801195057-31067281800f
 	github.com/mendsley/gojwk v0.0.0-20141217222730-4d5ec6e58103
 	github.com/mohae/deepcopy v0.0.0-20170929034955-c48cc78d4826
@@ -35,29 +35,24 @@ require (
 	github.com/phayes/freeport v0.0.0-20171002181615-b8543db493a5
 	github.com/pkg/errors v0.8.0
 	github.com/prometheus/client_golang v0.8.0
-	github.com/prometheus/client_model v0.0.0-20171117100541-99fa1f4be8e5 // indirect
-	github.com/prometheus/common v0.0.0-20180426121432-d811d2e9bf89 // indirect
-	github.com/prometheus/procfs v0.0.0-20180408092902-8b1c2da0d56d // indirect
 	github.com/rs/cors v1.6.0
 	github.com/rubenv/sql-migrate v0.0.0-20170824124545-79fe99e24311
 	github.com/sirupsen/logrus v1.1.1
 	github.com/spf13/cobra v0.0.3
 	github.com/spf13/viper v1.2.1
-	github.com/sqs/goreturns v0.0.0-20180302073349-83e02874ec12 // indirect
 	github.com/stretchr/testify v1.2.2
 	github.com/toqueteos/webbrowser v0.0.0-20150720201625-21fc9f95c834
 	github.com/uber-go/atomic v1.3.2 // indirect
 	github.com/uber/jaeger-client-go v2.14.0+incompatible
 	github.com/uber/jaeger-lib v1.5.0 // indirect
 	github.com/urfave/negroni v1.0.0
 	github.com/ziutek/mymysql v1.5.4 // indirect
+	go.opencensus.io v0.18.0 // indirect
 	go.uber.org/atomic v1.3.2 // indirect
 	golang.org/x/crypto v0.0.0-20181001203147-e3636079e1a4
 	golang.org/x/oauth2 v0.0.0-20181003184128-c57b0facaced
-	golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e // indirect
-	golang.org/x/tools v0.0.0-20181015201034-8919434dde1e // indirect
+	golang.org/x/time v0.0.0-20180412165947-fbb02b2291d2 // indirect
 	gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 // indirect
-	gopkg.in/go-resty/resty.v0 v0.4.1 // indirect
 	gopkg.in/gorp.v1 v1.7.1 // indirect
 	gopkg.in/resty.v1 v1.9.1
 	gopkg.in/square/go-jose.v2 v2.1.9