fix automated releases broken due to workspace location misconfig after go mod migration

.circleci/config.yml

@@ -7,6 +7,7 @@ jobs:
       - image: circleci/golang:1.12.4
     environment:
       GOPATH: /go
+    working_directory: /home/circleci/workspace/helmfile
     steps:
       - checkout
       - restore_cache:
@@ -29,6 +30,7 @@ jobs:
       GOPATH: /go
     docker:
       - image: circleci/golang:1.12.4
+    working_directory: /home/circleci/workspace/helmfile
     steps:
       - checkout
       - restore_cache:
@@ -89,16 +91,21 @@ jobs:
 
   release:
     docker:
-      - image: circleci/golang:1.12.1
-    working_directory: /go/src/github.com/roboll/helmfile
+      - image: circleci/golang:1.12.4
+    working_directory: /home/circleci/workspace/helmfile
     steps:
     - checkout
+    - restore_cache:
+        keys:
+        - go-mod-cache-v1-{{ checksum "./go.sum" }}
+        - go-mod-cache-v1-
     - setup_remote_docker
     - run:
         command: |
           docker login -u="$DOCKER_USER" -p="$DOCKER_PASS" quay.io
           make tools
-          BUILD_URL="$CIRCLE_BUILD_URL" make push release
+          go mod vendor
+          ORG=roboll BUILD_URL="$CIRCLE_BUILD_URL" make push release
 
 workflows:
   version: 2

Dockerfile

@@ -1,8 +1,8 @@
 FROM golang:1.12.4-alpine3.9 as builder
 
 RUN apk add --no-cache make git
-WORKDIR /go/src/github.com/roboll/helmfile/
-COPY . /go/src/github.com/roboll/helmfile/
+WORKDIR /workspace/helmfile
+COPY . /workspace/helmfile
 RUN make static-linux
 
 # -----------------------------------------------------------------------------
@@ -24,6 +24,6 @@ RUN mkdir -p "$(helm home)/plugins"
 RUN helm plugin install https://github.com/databus23/helm-diff && \
     helm plugin install https://github.com/futuresimple/helm-secrets
 
-COPY --from=builder /go/src/github.com/roboll/helmfile/dist/helmfile_linux_amd64 /usr/local/bin/helmfile
+COPY --from=builder /workspace/helmfile/dist/helmfile_linux_amd64 /usr/local/bin/helmfile
 
 CMD ["/usr/local/bin/helmfile"]