use alpine based docker image

.goreleaser.yml

@@ -14,6 +14,7 @@ builds:
 dockers:
   -
     binary: dive
+    dockerfile: Dockerfile
     image_templates:
     - "wagoodman/dive:{{ .Tag }}"
     - "wagoodman/dive:v{{ .Major }}"

Dockerfile

@@ -1,3 +1,15 @@
-FROM debian:stable-slim
+FROM alpine:3.10
+
+ARG DOCKER_CLI_VERSION="19.03.1"
+ENV DOWNLOAD_URL="https://download.docker.com/linux/static/stable/x86_64/docker-$DOCKER_CLI_VERSION.tgz"
+
+RUN apk --update add curl \
+    && mkdir -p /tmp/download \
+    && curl -L $DOWNLOAD_URL | tar -xz -C /tmp/download \
+    && mv /tmp/download/docker/docker /usr/local/bin/ \
+    && rm -rf /tmp/download \
+    && apk del curl \
+    && rm -rf /var/cache/apk/*
+
 COPY dive /
 ENTRYPOINT ["/dive"]

Makefile

@@ -12,7 +12,7 @@ run-large: build
 	./build/$(BIN) amir20/clashleaders:latest
 
 build:
-	go build -o build/$(BIN)
+	CGO_ENABLED=0 go build -o build/$(BIN)
 
 release: test-coverage validate
 	./.scripts/tag.sh