diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..1f28c28
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,11 @@
+FROM golang:alpine
+
+RUN apk add git make
+
+RUN go get github.com/gojp/goreportcard && \
+    go get github.com/gojp/goreportcard/cmd/goreportcard-cli && \
+    cd $GOPATH/src/github.com/gojp/goreportcard && make install
+
+COPY entrypoint.sh /entrypoint.sh
+
+ENTRYPOINT ["/entrypoint.sh"]
diff --git a/README.md b/README.md
index c4d93f9..073a443 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,19 @@
 # go-report-card-action
-Github action calling goreportcard-cli and refresh your card
+
+Github action calling goreportcard-cli and refresh your card on https://goreportcard.com
+
+## Inputs
+
+### `threshold`
+
+**Required** Threshold of failure command. Default `75`.
+
+## Example usage
+
+uses: actions/go-report-card-action@v1
+with:
+  threshold: '100'
+  
+## Note
+
+inspired by https://github.com/creekorful/goreportcard-action
diff --git a/action.yaml b/action.yaml
new file mode 100644
index 0000000..6d690b2
--- /dev/null
+++ b/action.yaml
@@ -0,0 +1,15 @@
+name: 'Go Report Card'
+description: 'Run goreportcard-cli and update project Go report card on https://goreportcard.com'
+branding:
+  icon: 'check-circle'
+  color: 'green'
+inputs:
+  threshold:
+    description: 'Threshold of failure command'
+    required: true
+    default: '75'
+runs:
+  using: 'docker'
+  image: 'Dockerfile'
+  args:
+    - ${{ inputs.threshold }}
diff --git a/entrypoint.sh b/entrypoint.sh
new file mode 100644
index 0000000..38adbcf
--- /dev/null
+++ b/entrypoint.sh
@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+
+set -xe
+
+goreportcard-cli -v -t $1
+curl -X POST -F "repo=github.com/$GITHUB_REPOSITORY" https://goreportcard.com/checks