update ci

Dockerfile

@@ -1,11 +1,12 @@
-FROM alpine:latest
+FROM ubuntu:latest
 
 ENV VERIBLE_URL=https://github.com/chipsalliance/verible/releases/download/v0.0-3836-g86ee9bab/verible-v0.0-3836-g86ee9bab-linux-static-x86_64.tar.gz
 
-RUN apk add --no-cache \
+RUN apt-get update && apt-get install -y \
     wget \
     tar \
-    bash
+    bash \
+    && rm -rf /var/lib/apt/lists/*
 
 RUN mkdir -p /opt/verible && \
     wget -O /tmp/verible.tar.gz $VERIBLE_URL && \
@@ -17,4 +18,6 @@ ENV PATH="/opt/verible/bin:$PATH"
 COPY verible-wrapper.sh /tmp
 RUN chmod +x /tmp/verible-wrapper.sh
 
+WORKDIR /work
+
 CMD [ "bash", "/tmp/verible-wrapper.sh" ]