(e2e): Pass the current user to tester container

.travis.yml

@@ -8,6 +8,5 @@ cache:
     - $GOPATH/pkg/mod
 
 script:
-  - mkdir -p $GOPATH/pkg/mod/cache/vcs
   - make docker-test
   - make endtoend-test

Makefile

@@ -25,11 +25,11 @@ docker-run: image-build
 	docker run --name $(CONTAINER) $(IMAGE)
 
 docker-test:
-	docker run --network=host -v $(shell pwd):/source -v $(GOPATH)/pkg/mod:/go/pkg/mod golang:1.13-alpine /bin/sh \
+	docker run --user $(id -u):$(id -g) --network=host -v $(shell pwd):/source -v $(GOPATH)/pkg/mod:/go/pkg/mod golang:1.13-alpine /bin/sh \
 	-c "cd /source && apk add git gcc musl-dev make && GOROOT=\"/usr/local/go\" make test"
 
 docker-build:
-	docker run --network=host -v $(shell pwd):/source -v $(GOPATH)/pkg/mod:/go/pkg/mod golang:1.13-alpine /bin/sh \
+	docker run --user $(id -u):$(id -g) --network=host -v $(shell pwd):/source -v $(GOPATH)/pkg/mod:/go/pkg/mod golang:1.13-alpine /bin/sh \
 	-c "cd /source && apk add git gcc musl-dev make && make build"
 
 endtoend-test: image-build

e2e/main.go

@@ -6,6 +6,7 @@ import (
 	"io/ioutil"
 	"log"
 	"os"
+	"os/user"
 	"path/filepath"
 	"regexp"
 	"strconv"
@@ -23,7 +24,7 @@ const (
 	testerImage  = "c.txtdirect.org/tester:dirty"
 )
 
-var txtdirectImage = fmt.Sprintf("c.txtdirect.org/txtdirect:%s-dirty", os.Getenv("VERSION"))
+var txtdirectImage = fmt.Sprintf("c.txtdirect.org/txtdirect:%s", os.Getenv("VERSION"))
 
 var resultRegex = regexp.MustCompile("Total:+\\s(\\d+),\\sPassed:+\\s(\\d+),\\sFailed:+\\s(\\d+)")
 
@@ -269,10 +270,15 @@ func (d *dockerManager) StopContainers() error {
 }
 
 func (d *dockerManager) RunTesterContainer() error {
-	var err error
+	user, err := user.Current()
+	if err != nil {
+		return fmt.Errorf("Couldn't get the current user: %s", err.Error())
+	}
+
 	d.testerContainer, err = d.cli.ContainerCreate(d.ctx, &container.Config{
 		Image: testerImage,
 		Cmd:   []string{"go", "run", "main.go"},
+		User:  fmt.Sprintf("%s:%s", user.Uid, user.Gid),
 	}, &container.HostConfig{
 		DNS: []string{"172.20.10.1"},
 		Mounts: []mount.Mount{

go.mod

@@ -2,11 +2,17 @@ module go.txtdirect.org/txtdirect
 
 go 1.13
 
+replace github.com/docker/docker => github.com/docker/engine v1.13.1
+
 require (
 	github.com/SchumacherFM/mailout v1.3.0
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/caddyserver/caddy v1.0.3
 	github.com/captncraig/caddy-realip v0.0.0-20190710144553-6df827e22ab8
+	github.com/docker/distribution v2.7.1+incompatible // indirect
+	github.com/docker/docker v1.13.1 // indirect
+	github.com/docker/go-connections v0.4.0 // indirect
+	github.com/docker/go-units v0.4.0 // indirect
 	github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 // indirect
 	github.com/golang/protobuf v1.3.2 // indirect
 	github.com/gorilla/sessions v1.1.3 // indirect
@@ -17,7 +23,9 @@ require (
 	github.com/mholt/certmagic v0.6.2 // indirect
 	github.com/miekg/caddy-prometheus v0.0.0-20190709133612-1fe4cb19becd
 	github.com/miekg/dns v1.1.16
+	github.com/opencontainers/go-digest v1.0.0-rc1 // indirect
 	github.com/prometheus/client_golang v1.0.0
+	github.com/prometheus/common v0.4.1
 	github.com/prometheus/procfs v0.0.4 // indirect
 	github.com/quasoft/memstore v0.0.0-20180925164028-84a050167438 // indirect
 	github.com/skip2/go-qrcode v0.0.0-20190110000554-dc11ecdae0a9

go.sum

@@ -2,7 +2,9 @@ github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/SchumacherFM/mailout v1.3.0 h1:p65otJmAVOe7fAW59+Yc790QI00Ca7aevExGGXokRtA=
 github.com/SchumacherFM/mailout v1.3.0/go.mod h1:MMCu15Q6CNvE3kYceiazp/WcvSseLmXdJ/53pgwIY6k=
+github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc h1:cAKDfWh5VpdgMhJosfJnn5/FoN2SRZ4p7fJNX58YPaU=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
+github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf h1:qet1QNfXsQxTZqLG4oE62mJzwPIB8+Tee4RNCL9ulrY=
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973 h1:xJ4a3vCFaGF/jqvzLMYoU8P317H5OQ+Via4RmuPwCS0=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
@@ -25,6 +27,15 @@ github.com/cheekybits/genny v0.0.0-20170328200008-9127e812e1e9/go.mod h1:+tQajlR
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/docker/distribution v2.7.1+incompatible h1:a5mlkVzth6W5A4fOsS3D2EO5BUmsJpcB+cRlLU7cSug=
+github.com/docker/distribution v2.7.1+incompatible/go.mod h1:J2gT2udsDAN96Uj4KfcMRqY0/ypR+oyYUYmja8H+y+w=
+github.com/docker/docker v1.13.1 h1:IkZjBSIc8hBjLpqeAbeE5mca5mNgeatLHBy3GO78BWo=
+github.com/docker/docker v1.13.1/go.mod h1:eEKB0N0r5NX/I1kEveEz05bcu8tLC/8azJZsviup8Sk=
+github.com/docker/engine v1.13.1/go.mod h1:3CPr2caMgTHxxIAZgEMd3uLYPDlRvPqCpyeRf6ncPcY=
+github.com/docker/go-connections v0.4.0 h1:El9xVISelRB7BuFusrZozjnkIM5YnzCViNKohAFqRJQ=
+github.com/docker/go-connections v0.4.0/go.mod h1:Gbd7IOopHjR8Iph03tsViu4nIes5XhDvyHbTtUxmeec=
+github.com/docker/go-units v0.4.0 h1:3uh0PgVws3nIA0Q+MwDC8yjEPf9zjRfZZWXZYDct3Tw=
+github.com/docker/go-units v0.4.0/go.mod h1:fgPhTUdO+D/Jk86RDLlptpiXQzgHJF7gydDDbaIK4Dk=
 github.com/dustin/go-humanize v1.0.0 h1:VSnTsYCnlFHaM2/igO1h6X3HA71jcobQuxemgkq4zYo=
 github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
 github.com/flynn/go-shlex v0.0.0-20150515145356-3f9db97f8568 h1:BHsljHzVlRcyQhjrss6TZTdY2VfCqZPbv5k3iBFa2ZQ=
@@ -119,6 +130,8 @@ github.com/onsi/ginkgo v1.8.0 h1:VkHVNpR4iVnU8XQR6DBm8BqYjN7CRzw+xKUbVVbbW9w=
 github.com/onsi/ginkgo v1.8.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
 github.com/onsi/gomega v1.5.0 h1:izbySO9zDPmjJ8rDjLvkA2zJHIo+HkYXHnf7eN7SSyo=
 github.com/onsi/gomega v1.5.0/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1CpauHY=
+github.com/opencontainers/go-digest v1.0.0-rc1 h1:WzifXhOVOEOuFYOJAW6aQqW0TooG2iki3E3Ii+WN7gQ=
+github.com/opencontainers/go-digest v1.0.0-rc1/go.mod h1:cMLVZDEM3+U2I4VmLI6N8jQYUd2OVphdqWwCJHrFt2s=
 github.com/pkg/errors v0.8.0 h1:WdK/asTD0HN+q6hsWO3/vpuAkAr+tw6aNJNDFFf0+qw=
 github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
@@ -185,6 +198,7 @@ golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+gopkg.in/alecthomas/kingpin.v2 v2.2.6 h1:jMFz6MfLP0/4fUyZle81rXUoxOBFi19VUFKVDOQfozc=
 gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
 gopkg.in/alexcesaro/quotedprintable.v3 v3.0.0-20150716171945-2caba252f4dc h1:2gGKlE2+asNV9m7xrywl36YYNnBG5ZQ0r/BOOxqPpmk=
 gopkg.in/alexcesaro/quotedprintable.v3 v3.0.0-20150716171945-2caba252f4dc/go.mod h1:m7x9LTH6d71AHyAX77c9yqWCCa3UKHcVEj9y7hAtKDk=