provide cli containerfile

Containerfile

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+# Copyright 2024 The Sigstore Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""For the stable high-level API, see model_signing.api."""
+
+__version__ = "0.1.1"
+
+FROM python:3.13-slim
+
+COPY pyproject.toml ./
+COPY src ./src
+
+RUN python -m pip install model_signing
+
+RUN echo '#!/bin/bash\n\
+cd "/src" && python sign.py' > /usr/local/bin/sign
+
+RUN echo '#!/bin/bash\n\
+cd "/src" && python verify.py' > /usr/local/bin/verify
+
+RUN echo '#!/bin/bash\n\
+echo "Usage:"\n\
+echo "  verify  - Runs the verify.py Python script"\n\
+echo "  sign    - Runs the sign.py Python script"\n\
+echo "  help    - Displays this help message"' > /usr/local/bin/help
+
+RUN chmod +x /usr/local/bin/sign /usr/local/bin/verify /usr/local/bin/help
+
+CMD ["help"]
+