add docker static client to filebrowser/dev

.travis.yml

@@ -43,7 +43,7 @@ jobs:
     script:
       - cp dockerfiles/filebrowser Dockerfile
       - echo "$DOCKER_PASS" | docker login -u "$DOCKER_USER" --password-stdin
-      - docker run --rm -itv $(pwd):$WDIR filebrowser/dev goreleaser
+      - docker run --rm -itv $(pwd):$WDIR -v /var/run/docker.sock:/var/run/docker.sock filebrowser/dev goreleaser
       - docker logout
     if: tag IS present
     deploy:

dockerfiles/dev

@@ -22,4 +22,6 @@ RUN echo "http://dl-cdn.alpinelinux.org/alpine/edge/testing" >> /etc/apk/reposit
   ) && \
   chmod +x /go/bin/dep && \
   curl -sL https://git.io/goreleaser -o /go/bin/goreleaser && \
-  chmod +x /go/bin/goreleaser
+  chmod +x /go/bin/goreleaser && \
+  curl -fsSL https://download.docker.com/linux/static/edge/x86_64/docker-18.05.0-ce.tgz | tar xvz --strip-components=1 docker/docker -C /usr/local/bin && \
+  chmod +x /usr/local/bin/docker