clean up rust README

1 files changed, 28 insertions, 7 deletions

diff --git a/rust/README.md b/rust/README.md
index 794afee7..98d742f4 100644
--- a/rust/README.md
+++ b/rust/README.md
@@ -1,25 +1,46 @@
 
-Things!
+Rust implementation of fatcat API server (`fatcatd`).
 
-    sudo apt install libsqlite3-dev libpq-dev
+## Development
 
-    wget https://oss.sonatype.org/content/repositories/snapshots/io/swagger/swagger-codegen-cli/3.0.0-SNAPSHOT/swagger-codegen-cli-3.0.0-20180411.134218-60.jar
+- rust stable, 1.26+ (eg, via "rustup", includes cargo tool)
+- diesel (`cargo install diesel_cli`)
+- postgres (9.6+; targetting 10.3 for production)
+- postgres libs (debian: `sudo apt install libsqlite3-dev libpq-dev`)
 
-    cargo swagger ../golang/fatcat-openapi2.yml gen-out
+Create a new postgres superuser. A regular postgres user and an existing
+database should also work (with up/down migrations), but it's easier to just
+blow the entire database away.
 
-    diesel print-schema > src/database_schema.rs
+Create a `.env` file with configuration:
+
+    DATABASE_URL=postgres://fatcat:tactaf@localhost/fatcat_rs
+
+Re-create database from scratch:
+
+    diesel database reset
+
+Build and run:
+
+    cargo run
+
+### Special Tricks
 
 Regenerate API schemas:
 
+    cargo install cargo-swagger  # uses docker
     cargo swagger fatcat-openapi2.yml fatcat-api --docker-tag=v2.3.1
     sudo chown `whoami`:`whoami` -R fatcat-api
     # edit fatcat-api/Cargo.toml, set name to "fatcat-api"
     cargo fmt
+    # git commit the fatcat-api directory at this point
+
+    diesel print-schema > src/database_schema.rs
 
-Debugging SQL errors:
+Debugging SQL schema errors:
 
     psql fatcat_rs < migrations/2018-05-12-001226_init/up.sql
 
-Creating entities:
+Creating entities via API:
 
     http --json post localhost:9411/v0/container name=asdf issn=1234-5678