hybrid_cache_server 0.2.2

A hybrid cache server with indexing.
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# ---------- builder ----------
FROM rust:1.84-bookworm AS builder

WORKDIR /app

# System deps for rocksdb-sys + general Rust builds
RUN apt-get update && apt-get install -y --no-install-recommends \
    pkg-config clang cmake git \
    libssl-dev ca-certificates curl \
    librocksdb-dev \
  && rm -rf /var/lib/apt/lists/*

# Build deps layer cache
COPY Cargo.toml Cargo.lock ./

# Dummy build to cache deps (works best if single-crate; for workspace you may need extra COPY)
RUN mkdir -p src && echo "fn main(){}" > src/main.rs && cargo build --release && rm -rf src

# Now copy full source and build
COPY . .
RUN cargo build --release

# ---------- runtime ----------
FROM ubuntu:24.04 AS runtime

WORKDIR /app

# Runtime deps:
# - ca-certificates for https
# - rocksdb runtime libs (safest: install librocksdb-dev; if you want slimmer, swap to librocksdb* matching your Ubuntu)
RUN apt-get update && apt-get install -y --no-install-recommends \
    ca-certificates curl \
    librocksdb-dev \
  && rm -rf /var/lib/apt/lists/*

# --- OPTIONAL: install meilisearch binary (works on Ubuntu) ---
# If you DON'T want meili inside this container, set START_MEILI=0 at runtime.
RUN curl -L https://install.meilisearch.com | sh \
  && mv ./meilisearch /usr/local/bin/meilisearch

# Adjust if your binary name differs:
# (the output name is typically your crate package name)
ARG BIN_NAME=hybrid_cache_server
COPY --from=builder /app/target/release/${BIN_NAME} /usr/local/bin/${BIN_NAME}

# Persist both databases if you want
VOLUME ["/data/rocksdb", "/data/meili"]

ENV CACHE_PORT=8080
ENV MEILI_HOST=http://127.0.0.1:7700
ENV MEILI_MASTER_KEY=masterKey
ENV MEILI_INDEX=hybrid_cache
ENV ROCKSDB_PATH=/data/rocksdb
ENV MEILI_DB_PATH=/data/meili

# Start Meilisearch + your server. Disable meili with START_MEILI=0.
ENV START_MEILI=1

RUN bash -lc 'cat > /usr/local/bin/entrypoint.sh << "EOF"\n\
#!/usr/bin/env bash\n\
set -euo pipefail\n\
\n\
BIN=\"'${BIN_NAME}'\"\n\
\n\
if [[ \"${START_MEILI:-1}\" != \"0\" ]]; then\n\
  mkdir -p \"${MEILI_DB_PATH}\"\n\
  # Run meili in background\n\
  /usr/local/bin/meilisearch \\\n\
    --db-path \"${MEILI_DB_PATH}\" \\\n\
    --http-addr \"0.0.0.0:7700\" \\\n\
    --master-key \"${MEILI_MASTER_KEY}\" \\\n\
    --env \"production\" \\\n\
    --no-analytics &\n\
fi\n\
\n\
mkdir -p \"${ROCKSDB_PATH}\"\n\
# If your program currently hardcodes \"cache_db\", consider switching to env ROCKSDB_PATH.\n\
exec /usr/local/bin/${BIN} \n\
EOF\n\
chmod +x /usr/local/bin/entrypoint.sh'

EXPOSE 8080 7700
ENTRYPOINT ["/usr/local/bin/entrypoint.sh"]