Dockerfile.explorer

# Copyright (c) Meta Platforms, Inc. and affiliates.
#
# 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.

# The project is compiled once in the shared build image (Dockerfile.base, wired
# in by compose via additional_contexts). This image just packages it for runtime.

FROM ubuntu:24.04

ENV DEBIAN_FRONTEND=noninteractive
ENV PIP_BREAK_SYSTEM_PACKAGES=1

# Install system libs (libgflags, libssl, ...); fixup-dyn-deps bundles only the
# from-source libs, so the runtime needs these from the same getdeps set.
COPY build/fbcode_builder /src/build/fbcode_builder
WORKDIR /src

RUN apt-get update \
 && apt-get install -y python3 python3-pip git libc-ares-dev \
 && python3 build/fbcode_builder/getdeps.py \
      --allow-system-packages install-system-deps --recursive rebalancer-explorer \
 && apt-get clean && rm -rf /var/lib/apt/lists/*

COPY --from=rebalancer-build /artifacts/linux /usr/local

# The shared build image also produces the demo/example binaries. This image only
# serves the explorer + proxy, so drop everything in bin except those two; their
# shared libs in lib are untouched.
RUN find /usr/local/bin -type f ! -name 'rebalancer_explorer_*' -delete \
 && ldconfig

EXPOSE 8080

# Run the Explorer service (StandaloneExplorerService.cpp)
ENTRYPOINT ["/usr/local/bin/rebalancer_explorer_server"]
CMD ["--port", "8080"]