chore(deploy): enable geometry features in Railway build

Author: Travis-Gilbert

Dockerfile

@@ -16,7 +16,7 @@ COPY vendor ./vendor
 COPY crates ./crates
 COPY src ./src
 
-RUN CARGO_BUILD_JOBS="${CARGO_BUILD_JOBS}" cargo build --locked -p rustyred-server --profile railway
+RUN CARGO_BUILD_JOBS="${CARGO_BUILD_JOBS}" cargo build --locked -p rustyred-server --profile railway --features "geometry s2"
 
 FROM debian:bookworm-slim
 

docs/technical/deployment.md

@@ -9,11 +9,12 @@ The `Dockerfile` is a two-stage build:
 
 1. **Builder** — `rust:1.95-bookworm`, installs `protobuf-compiler` (needed because
    `build.rs` compiles the vendored `.proto` with `tonic-build`), copies `vendor/`, `crates/`, and
-   `src/`, then runs `cargo build -p rustyred-server --profile railway`. `CARGO_BUILD_JOBS`
-   (default `2`) bounds parallelism for memory-limited CI builders. The `railway` profile
-   inherits `release` but disables fat LTO so Railway cold builds do not spend minutes in
-   release linking; the resulting binary is copied from
-   `target/railway/rustyred-server`.
+   `src/`, then runs
+   `cargo build -p rustyred-server --profile railway --features "geometry s2"`.
+   `CARGO_BUILD_JOBS` (default `2`) bounds parallelism for memory-limited CI
+   builders. The `railway` profile inherits `release` but disables fat LTO so
+   Railway cold builds do not spend minutes in release linking; the resulting
+   binary is copied from `target/railway/rustyred-server`.
 2. **Runtime** — `debian:bookworm-slim` with `ca-certificates`. The binary is installed as
    `/usr/local/bin/rusty-red-graph-server`. `EXPOSE 8380`. `CMD ["rusty-red-graph-server"]`.