feat: prototype publish sandbox script with npm package (#182)

packages/cli/Dockerfile

@@ -0,0 +1,27 @@
+FROM docker.io/library/node:20-slim
+
+ENV GEMINI_CODE_SANDBOX=docker
+ENV SANDBOX=sandbox
+
+# install minimal set of packages, then clean up
+RUN apt-get update && apt-get install -y --no-install-recommends \
+  man-db \
+  curl \
+  dnsutils \
+  less \
+  jq \
+  bc \
+  gh \
+  git \
+  unzip \
+  rsync \
+  ripgrep \
+  procps \
+  psmisc \
+  lsof \
+  && apt-get clean \
+  && rm -rf /var/lib/apt/lists/*
+
+RUN --mount=type=secret,id=npmrc,dst=/root/.npmrc npm install -g @gemini-code/cli@head --verbose
+
+ENTRYPOINT 'gemini-code'