Implement node version

Dockerfile

@@ -40,8 +40,7 @@ FROM node:18-alpine as pusher
 WORKDIR /app
 ENV NODE_ENV=production
 COPY --from=deployed-pusher /app/deployed-pusher .
-# Enabling source maps adds small runtime overhead, but improves debugging experience and the performance is worth it.
-ENTRYPOINT ["node", "--enable-source-maps", "dist/index.js"]
+ENTRYPOINT ["node", "dist/src/index.js"]
 
 # Create a separate stage for api package. We create a temporary stage for deployment and then copy the result into
 # the final stage. Only the production dependencies and package implementation is part of this last stage.
@@ -51,5 +50,4 @@ FROM node:18-alpine as api
 WORKDIR /app
 ENV NODE_ENV=production
 COPY --from=deployed-api /app/deployed-api .
-# Enabling source maps adds small runtime overhead, but improves debugging experience and the performance is worth it.
-ENTRYPOINT ["node", "--enable-source-maps", "dist/index.js"]
+ENTRYPOINT ["node", "dist/index.js"]

packages/api/package.json

@@ -16,7 +16,7 @@
     "eslint:fix": "eslint . --ext .js,.ts --fix",
     "prettier:check": "prettier --check \"./**/*.{js,ts,md,json}\"",
     "prettier:fix": "prettier --write \"./**/*.{js,ts,md,json}\"",
-    "start-prod": "node --enable-source-maps dist/index.js",
+    "start-prod": "node dist/index.js",
     "test": "jest",
     "tsc": "tsc --project ."
   },

packages/pusher/README.md

@@ -337,6 +337,14 @@ Refer to the [OIS documentation](https://dapi-docs.api3.org/reference/ois/latest
 Refer to Airnode's
 [API credentials](https://dapi-docs.api3.org/reference/airnode/latest/deployment-files/config-json.html#apicredentials).
 
+#### `nodeSettings`
+
+Contains general deployment parameters of the pusher.
+
+##### `nodeVersion`
+
+The version of the pusher. The version specified in the config must match the version of the pusher at deployment time.
+
 ## Deployment
 
 TODO: Write example how to deploy on AWS

packages/pusher/config/pusher.example.json

@@ -93,5 +93,8 @@
       "securitySchemeName": "NodarySecurityScheme1ApiKey",
       "securitySchemeValue": "${NODARY_API_KEY}"
     }
-  ]
+  ],
+  "nodeSettings": {
+    "nodeVersion": "0.1.0"
+  }
 }

packages/pusher/package.json

@@ -1,6 +1,6 @@
 {
   "name": "pusher",
-  "version": "1.0.0",
+  "version": "0.1.0",
   "engines": {
     "node": "^18.14.0",
     "pnpm": "^8.8.0"
@@ -15,7 +15,7 @@
     "eslint:fix": "eslint . --ext .js,.ts --fix",
     "prettier:check": "prettier --check \"./**/*.{js,ts,md,yml,json}\"",
     "prettier:fix": "prettier --write \"./**/*.{js,ts,md,yml,json}\"",
-    "start-prod": "node --enable-source-maps dist/index.js",
+    "start-prod": "node dist/src/index.js",
     "test": "jest",
     "tsc": "tsc --project ."
   },

packages/pusher/src/validation/config.ts

@@ -1,5 +1,6 @@
 import fs, { readFileSync } from 'node:fs';
 import { join } from 'node:path';
+import { cwd } from 'node:process';
 
 import { go } from '@api3/promise-utils';
 import dotenv from 'dotenv';
@@ -8,7 +9,11 @@ import { configSchema } from './schema';
 import { interpolateSecrets, parseSecrets } from './utils';
 
 export const loadConfig = async () => {
-  const configPath = join(__dirname, '../../config');
+  // When pusher is built the "/dist" file contains "src" folder and "package.json" and the config is expected to be
+  // located next to the "/dist" folder. When run in development, the config is expected to be located next to the "src"
+  // folder (one less import level). We resolve the config by CWD as a workaround. Since the pusher is dockerized, this
+  // is hidden from the user.
+  const configPath = join(cwd(), './config');
   const rawSecrets = dotenv.parse(readFileSync(join(configPath, 'secrets.env'), 'utf8'));
 
   const goLoadConfig = await go(async () => {

packages/pusher/src/validation/schema.test.ts

@@ -29,6 +29,26 @@ test('validates example config', async () => {
   );
 });
 
+test('ensures nodeVersion matches pusher version', async () => {
+  const invalidConfig: Config = {
+    ...config,
+    nodeSettings: {
+      ...config.nodeSettings,
+      nodeVersion: '0.0.1',
+    },
+  };
+
+  await expect(configSchema.parseAsync(invalidConfig)).rejects.toStrictEqual(
+    new ZodError([
+      {
+        code: 'custom',
+        message: 'Invalid node version',
+        path: ['nodeSettings', 'nodeVersion'],
+      },
+    ])
+  );
+});
+
 test('ensures signed API names are unique', () => {
   expect(() =>
     signedApisSchema.parse([

packages/pusher/src/validation/schema.ts

@@ -13,6 +13,8 @@ import { ethers } from 'ethers';
 import { isNil, uniqWith, isEqual } from 'lodash';
 import { z, type SuperRefinement } from 'zod';
 
+import packageJson from '../../package.json';
+
 export const limiterConfig = z.object({ minTime: z.number(), maxConcurrency: z.number() });
 
 export const parameterSchema = z
@@ -242,6 +244,10 @@ export const oisesSchema = z.array(oisSchema);
 
 export const apisCredentialsSchema = z.array(config.apiCredentialsSchema);
 
+export const nodeSettingsSchema = z.object({
+  nodeVersion: z.string().refine((version) => version === packageJson.version, 'Invalid node version'),
+});
+
 export const configSchema = z
   .object({
     airnodeWalletMnemonic: z.string().refine((mnemonic) => ethers.utils.isValidMnemonic(mnemonic), 'Invalid mnemonic'),
@@ -250,6 +256,7 @@ export const configSchema = z
     chains: z.any(),
     endpoints: endpointsSchema,
     gateways: z.any(),
+    nodeSettings: nodeSettingsSchema,
     ois: oisesSchema,
     rateLimiting: rateLimitingSchema,
     signedApis: signedApisSchema,

packages/pusher/test/fixtures.ts

@@ -1,5 +1,6 @@
 import type { AxiosResponse } from 'axios';
 
+import packageJson from '../package.json';
 import type { SignedResponse, TemplateResponse } from '../src/sign-template-data';
 import type { Config } from '../src/validation/schema';
 
@@ -99,6 +100,9 @@ export const config: Config = {
       securitySchemeValue: 'invalid-api-key',
     },
   ],
+  nodeSettings: {
+    nodeVersion: packageJson.version,
+  },
 };
 
 export const nodaryTemplateRequestResponseData = {

tsconfig.json

@@ -12,6 +12,7 @@
     "exactOptionalPropertyTypes": true,
     "noUncheckedIndexedAccess": true,
     "noImplicitReturns": true,
+    "resolveJsonModule": true,
 
     // Disabled because they are covered by Eslint rules
     "noUnusedLocals": false,