feat: open psql in the database container

src/cmd/docker.rs

@@ -4,6 +4,7 @@ use super::{Argv, Cmd};
 pub struct Exec {
     container: String,
     interactive: bool,
+    tty: bool,
     inner: Argv,
 }
 
@@ -12,10 +13,17 @@ impl Exec {
         Self {
             container: container.to_string(),
             interactive: false,
+            tty: false,
             inner,
         }
     }
 
+    // a terminal, for a command that is a shell rather than a pipe stage
+    pub fn tty(mut self, tty: bool) -> Self {
+        self.tty = tty;
+        self
+    }
+
     // keep stdin open, for a command that is fed a dump
     pub fn interactive(mut self) -> Self {
         self.interactive = true;
@@ -31,6 +39,10 @@ impl Cmd for Exec {
             argv = argv.arg("--interactive");
         }
 
+        if self.tty {
+            argv = argv.arg("--tty");
+        }
+
         argv.arg(&self.container).args(self.inner.words())
     }
 }