make smaller image

Author: klpx

Dockerfile

@@ -1,10 +1,10 @@
-FROM ubuntu:latest
+FROM alpine:latest
 
-RUN apt update
-RUN apt install -y wget
-
-RUN wget https://github.com/mikefarah/yq/releases/download/v4.46.1/yq_linux_amd64 -O /usr/local/bin/yq
-RUN chmod +x /usr/local/bin/yq
+RUN apk add --no-cache bash wget && \
+    wget https://github.com/mikefarah/yq/releases/download/v4.46.1/yq_linux_amd64 -O /usr/local/bin/yq && \
+    chmod +x /usr/local/bin/yq && \
+    apk del wget && \
+    rm -rf /var/cache/apk/*
 
 WORKDIR /action/workspace
 COPY entrypoint.sh /entrypoint.sh