The module '@algolia/cache-common' is missing and cannot be located

summary: code works locally but not in lambda.

My AWS lambda function runs perfectly when tested locally, utilizing Algolia within a service in the server. Despite installing @algolia/cache-common, any call to the lambda results in a crash due to the error below. Is there a solution to this issue?

    "errorType": "Runtime.ImportModuleError",
    "errorMessage": "Error: Cannot find module '@algolia/cache-common'
    Require stack:
    /opt/nodejs/node_modules/algoliasearch/dist/algoliasearch.cjs.js
    /opt/nodejs/node_modules/algoliasearch/index.js
    /var/task/dist/api/v1/services/algolia.service.js 
    /var/task/dist/api/v1/handlers/jobs.handler.js
    /var/task/dist/api/v1/controllers/jobs.controller.js
    /var/task/dist/api/v1/v1.routes.js
    /var/task/dist/api/routes.js
    /var/task/dist/serverless.js
    /var/runtime/UserFunction.js
    /var/runtime/index.js",
    "stack": [
        "Runtime.ImportModuleError: Error: Cannot find module '@algolia/cache-common'",
        "Require stack:",
        "- /opt/nodejs/node_modules/algoliasearch/dist/algoliasearch.cjs.js",
        "- /opt/nodejs/node_modules/algoliasearch/index.js",
        "- /var/task/dist/api/v1/services/algolia.service.js",
        "- /var/task/dist/api/v1/handlers/jobs.handler.js",
        "- /var/task/dist/api/v1/controllers/jobs.controller.js",
        "- /var/task/dist/api/v1/v1.routes.js",
        "- /var/task/dist/api/routes.js",
        "- /var/task/dist/serverless.js",
        "- /var/runtime/UserFunction.js",
        "- /var/runtime/index.js",
        "    at _loadUserApp (/var/runtime/UserFunction.js:202:13)",
        "    at Object.module.exports.load (/var/runtime/UserFunction.js:242:17)",
        "    at Object.<anonymous> (/var/runtime/index.js:43:30)",
        "    at Module._compile (internal/modules/cjs/loader.js:1085:14)",
        "    at Object.Module._extensions..js (internal/modules/cjs/loader.js:1114:10)",
        "    at Module.load (internal/modules/cjs/loader.js:950:32)",
        "    at Function.Module._load (internal/modules/cjs/loader.js:790:12)",
        "    at Function.executeUserEntryPoint [as runMain] (internal/modules/run_main.js:76:12)",
        "    at internal/main/run_main_module.js:17:47"
    ]

The Algolia implementation is structured as shown:

const applicationId = config.get("ALGOLIA.APPLICATION_ID");
const apiKey = config.get("ALGOLIA.ADMIN_API_KEY");
const client = algoliasearch(applicationId, apiKey);
const index = client.initIndex("my-actual-index");

My lambda setup includes a lambda and 3 module layers that have worked with other libraries, except for Algolia specifically. The Algolia-related packages are present when inspecting the lambda's packages.

I attempted installing the required package (@algolia/cache-common) directly, without success. Furthermore, installing @types/algolia did not resolve the issue either.

Have I overlooked something crucial?

javascriptnpmaws-lambdanode-modulesalgolia

Answer №1

The issue has been resolved by rectifying my mistake of splitting to layers and inadvertently skipping the initial index in the loop.

Answer №2

When you "install" dependencies such as @algolia/cache-common, they are installed locally.

Your locally installed dependencies will not automatically be available on AWS Lambda. In order for them to work in Lambda, just like your application code, these dependencies need to be deployed.

This is why it may work on your local machine but not in Lambda.

You didn't mention how you deploy your code. Tools like AWS SAM or the serverless framework typically handle the deployment of both your application code and its dependencies.

It seems like you might be deploying manually. This means that you will likely need to also deploy your node_modules folder to AWS Lambda.

Your deployment ZIP archive should have a structure like this:

node_modules/
index.js

The node_modules folder will contain many sub-folders and files. For the purpose of simplicity, we'll stick with just one .js file for this explanation.

Answer №3

Understanding the structure of your service and how you are incorporating Algolia modules is crucial. Is the Algolia integration part of the core service lambda or separate layer? Exploring whether bundling all dependencies within the service resolves any issues could be beneficial.

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