fix: edge container cannot run claude — Alpine lacks glibc (#352)

docker/edge/Dockerfile

@@ -1,4 +1,4 @@
-FROM caddy:alpine
+FROM caddy:latest
-RUN apk add --no-cache bash jq curl git docker-cli
+RUN apt-get update && apt-get install -y bash jq curl git docker.io && rm -rf /var/lib/apt/lists/*
 COPY entrypoint-edge.sh /usr/local/bin/entrypoint-edge.sh
 ENTRYPOINT ["bash", "/usr/local/bin/entrypoint-edge.sh"]