Revert "shrink docker image / esbuildify (#319)"

This reverts commit 4227c6b546.

esbuild.config.js

@@ -1,28 +0,0 @@
-const esbuild = require('esbuild');
-const glob = require('tiny-glob');
-
-const commonConfig = {
-    bundle: true,
-    platform: 'node',
-    target: 'node20',
-    sourcemap: false,
-    // minify: true, makes messy debug/error output
-    treeShaking: true,
-    legalComments: 'none',
-    mainFields: ['module', 'main'],
-    metafile: true,
-    format: 'cjs',
-    external: [
-        'bigint-buffer',
-        '@triton-one/yellowstone-grpc'
-    ]
-};
-
-(async () => {
-    let entryPoints = await glob("./src/*.ts", { filesOnly: true });
-    await esbuild.build({
-        ...commonConfig,
-        entryPoints,
-        outdir: 'lib',
-    });
-})().catch(() => process.exit(1));