# Regenerate dial9-viewer/ui/demo-trace.bin with no host-side Rust/AWS/Java setup.
#
#   docker compose run --rm --build regenerate
#   docker compose down        # tears down the DDB sidecar afterwards
#
# --privileged is needed because metrics-service enables `cpu-profiling` on
# Linux, which calls perf_event_open.

services:
  dynamodb:
    image: amazon/dynamodb-local
    command: -jar DynamoDBLocal.jar -inMemory -sharedDb
    healthcheck:
      test:
        [
          "CMD-SHELL",
          "curl -sf -o /dev/null -w '%{http_code}' http://127.0.0.1:8000/ |
            grep -qE '^(200|400|404)$$'",
        ]
      interval: 1s
      timeout: 2s
      retries: 30

  regenerate:
    build:
      context: .
      dockerfile_inline: |
        # syntax=docker/dockerfile:1.7
        FROM rust:1.94.1-bookworm AS chef
        RUN cargo install cargo-chef --locked
        WORKDIR /repo

        FROM chef AS planner
        COPY . .
        RUN cargo chef prepare --recipe-path recipe.json

        FROM chef AS builder
        COPY --from=planner /repo/recipe.json recipe.json
        RUN cargo chef cook --release -p metrics-service --recipe-path recipe.json
        COPY . .
        RUN cargo build --release -p metrics-service

        FROM rust:1.94.1-bookworm AS runtime
        RUN apt-get update && apt-get install -y --no-install-recommends \
                ca-certificates git \
            && rm -rf /var/lib/apt/lists/*
        WORKDIR /repo
        COPY --from=builder /repo /repo
        # regenerate_demo_trace.sh uses `git rev-parse --show-toplevel`.
        RUN git -C /repo init -q
    depends_on:
      dynamodb:
        condition: service_healthy
    privileged: true
    environment:
      AWS_ENDPOINT_URL: http://dynamodb:8000
      AWS_ACCESS_KEY_ID: local
      AWS_SECRET_ACCESS_KEY: local
      AWS_DEFAULT_REGION: us-east-1
      AWS_PROFILE: local
    volumes:
      - ./dial9-viewer/ui:/out
    working_dir: /repo
    command:
      - bash
      - -euc
      - |
        sysctl -w kernel.perf_event_paranoid=1 kernel.kptr_restrict=0
        scripts/regenerate_demo_trace.sh
        install -m 0644 dial9-viewer/ui/demo-trace.bin /out/demo-trace.bin
        echo "Wrote /out/demo-trace.bin ($(stat -c %s /out/demo-trace.bin) bytes)"