cache

index.js

@@ -1,5 +1,6 @@
 import { execFile as _execFile } from "node:child_process";
-import { readFile, stat, symlink, writeFile } from "node:fs/promises";
+import { mkdir, readFile, stat, symlink, writeFile } from "node:fs/promises";
+import { homedir } from "node:os";
 import { join } from "node:path";
 import { promisify } from "node:util";
 const execFile = promisify(_execFile);
@@ -23,6 +24,7 @@ mkdir -p /rootfs/etc/apk
 cp -r /etc/apk/keys /rootfs/etc/apk/
 echo https://dl-cdn.alpinelinux.org/alpine/v3.18/main >> /rootfs/etc/apk/repositories
 echo https://dl-cdn.alpinelinux.org/alpine/v3.18/community >> /rootfs/etc/apk/repositories
+ln -s /var/cache/apk /rootfs/etc/apk/cache
 apk add --initdb --root /rootfs alpine-base
     `
   );
@@ -53,12 +55,16 @@ apk add --initdb --root /rootfs alpine-base
  * @param {string} script
  */
 async function runInContainer(root, script) {
+  const cacheDir = join(homedir(), ".cache/apkit");
+  await mkdir(cacheDir, { recursive: true });
   await execFile("podman", [
     "run",
-    "-it",
+    "-i",
     "--rm",
     "-v",
     `${root}:/rootfs:Z`,
+    "-v",
+    `${cacheDir}:/var/cache/apk:Z`,
     "docker.io/alpine:3.18",
     "sh",
     "-ec",