Struct DbConfig 

pub struct DbConfig {
    pub url: String,
    pub max_connections: Option<u32>,
    pub min_connections: Option<u32>,
    pub connect_timeout_secs: u64,
    pub max_lifetime_secs: u64,
    pub sqlite_wal: bool,
    pub run_migrations: bool,
}

[database] section — connection pool configuration.

[database]
url = "sqlite:///var/lib/kipuka/kipuka.db"
max_connections = 10
min_connections = 2

Fields

url: String

Database connection URL.

Examples:

• "sqlite:///var/lib/kipuka/kipuka.db" — file-backed SQLite
• "sqlite::memory:" — in-memory SQLite (testing only)
• "postgres://user:pass@host/kipuka" — PostgreSQL
• "mariadb://user:pass@host/kipuka" — MariaDB

Supports "env:VAR_NAME" to read the URL from an environment variable.

max_connections: Option<u32>

Maximum number of connections in the pool.

Default: 10 for PostgreSQL/MariaDB, 1 for SQLite (WAL mode serializes writes regardless of pool size).

min_connections: Option<u32>

Minimum number of idle connections maintained in the pool.

Default: none (sqlx default applies).

connect_timeout_secs: u64

Connection acquisition timeout in seconds.

Default: 30.

max_lifetime_secs: u64

Maximum connection lifetime in seconds before recycling.

Default: 3600 (1 hour).

sqlite_wal: bool

Enable SQLite WAL (Write-Ahead Logging) mode.

WAL provides better concurrent read performance by allowing readers and writers to proceed simultaneously. Enabled by default for SQLite; ignored for other backends.

run_migrations: bool

Run pending migrations at startup.

Default: true.

Implementations

impl DbConfig

pub fn resolve_url(&self) -> Result<String, String>

Resolve the database URL, expanding "env:VAR_NAME" references.

Trait Implementations

impl Clone for DbConfig

fn clone(&self) -> DbConfig

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for DbConfig

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for DbConfig

fn default() -> Self

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for DbConfig

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.