diff --git a/.travis.yml b/.travis.yml
index b0151452..fe557c32 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -13,8 +13,16 @@ matrix:
 notifications:
   email: false
 
+cache:
+  directories:
+    - $HOME/.bzrepos
+    - $HOME/.cache/bazel
+
 install:
   - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then wget -N https://github.com/bazelbuild/bazel/releases/download/0.26.1/bazel-0.26.1-installer-linux-x86_64.sh && chmod +x bazel-0.26.1-installer-linux-x86_64.sh && ./bazel-0.26.1-installer-linux-x86_64.sh --user; go get -u github.com/swaggo/swag/cmd/swag; go mod download; fi
 
 script:
   - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then make && make -f Makefile.bazel build; fi
+
+after_success:
+  - bash <(curl -s https://codecov.io/bash)
diff --git a/Makefile b/Makefile
index a56b7780..c5f8d7cb 100644
--- a/Makefile
+++ b/Makefile
@@ -13,7 +13,7 @@ debug: doc
 
 .PHONY: test
 test:
-	go test -v -race -cover ./pkg/... ./cmd/...
+	go test -v -race -cover -coverprofile=coverage.txt -covermode=atomic ./...
 
 ./bin/golangci-lint:
 	curl -sfL https://install.goreleaser.com/github.com/golangci/golangci-lint.sh | sh -s v1.17.1
diff --git a/Makefile.bazel b/Makefile.bazel
index 22a1a1ab..a4f21743 100644
--- a/Makefile.bazel
+++ b/Makefile.bazel
@@ -1,6 +1,10 @@
 OS := $(shell uname -s | tr A-Z a-z)
 BINARY_PREFIX_DIRECTORY := $(OS)_amd64_stripped
 BAZEL=$(HOME)/bin/bazel
+BAZELOPTS= --repository_cache="$$HOME/.bzrepos" \
+					 --test_output=errors \
+					 --noshow_progress \
+					 --noshow_loading_progress
 
 .PHONY: all
 all: build check
@@ -31,8 +35,8 @@ init: setup-base update-bazel fmt-bazel
 
 .PHONY: build
 build:	
-	${BAZEL} build //...
-	${BAZEL} test //...
+	${BAZEL} build ${BAZELOPTS} //...
+	${BAZEL} test ${BAZELOPTS} //...
 
 .PHONY: check
 check:
diff --git a/README.md b/README.md
index 5f17d33b..3c5a4499 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# zot [![Build Status](https://travis-ci.org/anuvu/zot.svg?branch=master)](https://travis-ci.org/anuvu/zot)
+# zot [![Build Status](https://travis-ci.org/anuvu/zot.svg?branch=master)](https://travis-ci.org/anuvu/zot) [![codecov.io](http://codecov.io/github/anuvu/zot/coverage.svg?branch=master)](http://codecov.io/github/anuvu/zot?branch=master)
 
 **zot** is a single-purpose OCI image repository server based on the
 [OCI distribution spec](https://github.com/opencontainers/distribution-spec).
@@ -8,3 +8,9 @@
 * TLS support
 * *Basic* and TLS mutual authentication
 * Swagger based documentation
+
+# Caveats
+
+* go 1.12+
+* Image name consists of only one path component, for example, _busybox:latest_ instead _ubuntu/busybox:latest_
+* The OCI distribution spec is still WIP, and we try to keep up