Merge pull request #17 from shogo82148/use-golangci-prebuilt-image

Use golangci prebuilt image

Dockerfile

@@ -1,7 +1,9 @@
-FROM golang:1.13
+FROM golangci/golangci-lint:v1.21-alpine
 
-RUN curl -sfL https://raw.githubusercontent.com/reviewdog/reviewdog/master/install.sh    | sh -s -- -b $(go env GOPATH)/bin v0.9.14
-RUN curl -sfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin v1.21.0
+RUN wget -O - -q https://raw.githubusercontent.com/reviewdog/reviewdog/master/install.sh | sh -s -- -b $(go env GOPATH)/bin v0.9.14
+
+RUN apk --no-cache add git && \
+    rm -rf /var/lib/apt/lists/*
 
 COPY entrypoint.sh /entrypoint.sh
 

entrypoint.sh

@@ -1,8 +1,9 @@
-#!/bin/bash
+#!/bin/sh
 
-cd "$GITHUB_WORKSPACE"
+cd "$GITHUB_WORKSPACE" || exit 1
 
 export REVIEWDOG_GITHUB_API_TOKEN="${INPUT_GITHUB_TOKEN}"
 
+# shellcheck disable=SC2086
 golangci-lint run --out-format line-number ${INPUT_GOLANGCI_LINT_FLAGS} \
   | reviewdog -f=golangci-lint -name="${INPUT_TOOL_NAME}" -reporter="${INPUT_REPORTER:-github-pr-check}" -level="${INPUT_LEVEL}"