build binary with -trimpath

.circleci/config.yml

@@ -139,7 +139,7 @@ jobs:
             cd $GOPATH/src/github.com/loadimpact/k6
 
             echo "Building k6..."
-            CGO_ENABLED=0 GOARCH=$ARCH go build -a -ldflags '-s -w' -o /tmp/k6
+            CGO_ENABLED=0 GOARCH=$ARCH go build -a -trimpath -ldflags '-s -w' -o /tmp/k6
             echo "Done!"
 
             VERSION=${CIRCLE_TAG:1} ./packaging/gen-packages.sh

Dockerfile

@@ -2,7 +2,7 @@ FROM golang:1.13-alpine as builder
 WORKDIR $GOPATH/src/github.com/loadimpact/k6
 ADD . .
 RUN apk --no-cache add git
-RUN CGO_ENABLED=0 go install -a -ldflags "-s -w -X github.com/loadimpact/k6/lib/consts.VersionDetails=$(date -u +"%FT%T%z")/$(git describe --always --long --dirty)"
+RUN CGO_ENABLED=0 go install -a -trimpath -ldflags "-s -w -X github.com/loadimpact/k6/lib/consts.VersionDetails=$(date -u +"%FT%T%z")/$(git describe --always --long --dirty)"
 
 FROM alpine:3.10
 RUN apk add --no-cache ca-certificates

appveyor.yml

@@ -52,7 +52,7 @@ build_script:
   - cd %APPVEYOR_BUILD_FOLDER%
   - pandoc -s -f markdown -t rtf -o packaging\LICENSE.rtf LICENSE.md
   - go version
-  - go build -a -ldflags "-s -w" -o packaging\k6.exe
+  - go build -a -trimpath -ldflags "-s -w" -o packaging\k6.exe
   - cd %APPVEYOR_BUILD_FOLDER%\packaging
   - candle.exe -arch x64 -dVERSION=%VERSION% k6.wxs
   - light.exe -ext WixUIExtension k6.wixobj

build-release.sh

@@ -28,7 +28,7 @@ build_dist() {
 	local DIR="k6-${VERSION}-${ALIAS}"
 
 	local BUILD_ENV=("${@:4}")
-	local BUILD_ARGS=(-o "dist/$DIR/k6${SUFFIX}")
+	local BUILD_ARGS=(-o "dist/$DIR/k6${SUFFIX}" -trimpath)
 
 	if [ -n "$VERSION_DETAILS" ]; then
 		BUILD_ARGS+=(-ldflags "-X github.com/loadimpact/k6/lib/consts.VersionDetails=$VERSION_DETAILS")