get sql migrations working; update readme

.cargo/config.toml

@@ -2,4 +2,4 @@
 POSTGRES_USER = "postgres"
 POSTGRES_PASSWORD = "DB_PASS_HERE"
 POSTGRES_HOST = "localhost"
-POSTGRES_DBNAME = "test"
+POSTGRES_DBNAME = "questionanswer"

README.md

@@ -18,6 +18,9 @@ I'll do my best to keep these contents up-to-date as changes are made to the sou
 #### Rustup
 First install Rust. I suggest using the [rustup toolchain](https://rustup.rs/)
 
+#### Database
+A postgres database is required. At this time, the database must be setup and run manually (using docker is recommended). Create a database within postgres called `questionanswer` and choose a password. Set this password in `.cargo/config.toml`
+
 #### Build and Run
 ```
 cargo run

migrations/0_init_schema.sql

@@ -1,21 +1,26 @@
-CREATE TABLE IF NOT EXISTS questions {
-    id PRIMARY KEY,
+-- Create questions table
+CREATE TABLE IF NOT EXISTS questions (
+    id SERIAL PRIMARY KEY,
     title TEXT NOT NULL,
-    content TEXT NOT NULL,
-}
+    content TEXT NOT NULL
+);
 
-CREATE TABLE IF NOT EXISTS tags {
-    id PRIMARY KEY,
-    label TEXT NOT NULL,
-}
+-- Create tags table
+CREATE TABLE IF NOT EXISTS tags (
+    id SERIAL PRIMARY KEY,
+    label TEXT NOT NULL
+);
 
-CREATE TABLE IF NOT EXISTS question_tag {
-    question_id REFERENCES questions(id),
-    tag_id REFERENCES tags(id),
-}
+-- Create question_tag table
+CREATE TABLE IF NOT EXISTS question_tag (
+    question_id INT REFERENCES questions(id),
+    tag_id INT REFERENCES tags(id),
+    PRIMARY KEY (question_id, tag_id)
+);
 
-CREATE TABLE IF NOT EXISTS answers {
-    id PRIMARY KEY,
-    question_id REFERENCES questions(id),
-    content TEXT NOT NULL,
-}
+-- Create answers table
+CREATE TABLE IF NOT EXISTS answers (
+    id SERIAL PRIMARY KEY,
+    question_id INT REFERENCES questions(id),
+    content TEXT NOT NULL
+);

src/main.rs

@@ -56,10 +56,11 @@ async fn serve_file(uri: Uri) -> impl IntoResponse {
 
 async fn db_connection() -> Result<Pool<Postgres>, sqlx::Error> {
     let url: String = format!(
-        "postgres://{}:{}@{}:5432",
+        "postgres://{}:{}@{}:5432/{}",
         var("POSTGRES_USER").unwrap(),
         var("POSTGRES_PASSWORD").unwrap(),
         var("POSTGRES_HOST").unwrap(),
+        var("POSTGRES_DBNAME").unwrap()
     );
     PgPool::connect(&url).await
 }
@@ -82,6 +83,7 @@ async fn main() {
         .route("/", get(serve_file))
         .route("/*path", get(serve_file))
         .fallback(handler_404);
-    let _db: Pool<Postgres> = db_connection().await.unwrap();
+    let db: Pool<Postgres> = db_connection().await.unwrap();
+    sqlx::migrate!().run(&db).await.unwrap();
     axum::serve(listener, app).await.unwrap();
 }