Use linux kind binary

.travis.yml

@@ -1,7 +1,7 @@
 sudo: required
 
 services:
-  - docker
+- docker
 
 # Selecting C as the language keeps the container to a minimum footprint. All
 # go-specifc code is run in build container.
@@ -20,14 +20,14 @@ jobs:
   include:
     - stage: test
       script:
-			- make docs
+      - make docs
     - stage: test
-			before_script:
-			- make start-kind
+      before_script:
+      - make start-kind
       script:
-			- make go-mod-download
-			- make build
-			- make test
-			after_script:
-			- make stop-kind
+      - make go-mod-download
+      - make build
+      - make test
+      after_script:
+      - make stop-kind
 

Makefile

@@ -61,7 +61,7 @@ IMAGE_NAME := $(BIN)
 
 IMAGE := $(REGISTRY)/$(IMAGE_NAME)
 
-BUILD_IMAGE ?= kanisterio/build:v0.0.3
+BUILD_IMAGE ?= kanisterio/build:v0.0.4
 DOCS_BUILD_IMAGE ?= kanisterio/docker-sphinx
 
 DOCS_RELEASE_BUCKET ?= s3://docs.kanister.io

docker/build/Dockerfile

@@ -9,7 +9,7 @@ COPY --from=bitnami/kubectl:1.13.4 /opt/bitnami/kubectl/bin/kubectl /usr/local/b
 
 COPY --from=goreleaser/goreleaser:v0.115.0 /bin/goreleaser /usr/local/bin/
 
-RUN wget -O /usr/local/bin/kind https://github.com/kubernetes-sigs/kind/releases/download/v0.4.0/kind-darwin-amd64 \
+RUN wget -O /usr/local/bin/kind https://github.com/kubernetes-sigs/kind/releases/download/v0.4.0/kind-linux-amd64 \
     && chmod +x /usr/local/bin/kind
 
 ENV CGO_ENABLED=0 \