Improve this answer. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown. The Overflow Blog. A conversation about how to enable high-velocity DevOps culture at your Podcast An oral history of Stack Overflow — told by its founding team. Featured on Meta. New responsive Activity page. You can copy and paste the below code or write the function yourself by taking help of the previous function.
Step 10 - Let us deal with the shared code the user model and the code to connect to our MongoDB now. In the nodejs folder that we created previously created and zipped, create a new user. Now create a new file mongooseConnect. This code will help to connect to our MongoDB instance. Now zip the nodejs folder and create a new version of the lambda layer and upload the new nodejs.
So to test our lambda functions, lets first try to add an item and then get that item from our database. Now, click on the Test button on the top adjacent to the Save button and create a test case. Put the JSON data in the space. As our user model only contains the name field, put something like this. Put something in the Event name and click on Create. Now click on Test, and notice the result in the console in the code editor. Let's test our Amazon Lambda function to get all items.
So, for this function too, create a test case. And you don't need to change anything in the JSON data inside the Test as it has nothing to do with the test. If your test succeeds, you should see the result in the console.
If you have the CLI installed and configured correctly, let's start. First of all download this Github repository as it contains the code that we will use to create our functions. Note - Open the index. First we will create a Lambda function to create a new user. Step 2 - Zip the index. If the above command does not run -. You can manually zip the file.
Look at the picture below. Step 4 - Create a new function by executing the following command. If this command executes successfully, you will get a result something like this. Step 5 - Repeat the above steps to create the second function getUser. Zip the index. To create the second function you can use the following command. So, after successfully completing step 5, run the following command and you should see the two functions that we created. Open the folder and notice the files in that folder.
Do you remember the import statement in our Lambda functions? These -. Note - The name "nodejs" of the folder is given purposely and do not change it.
Read more about the folder structure here. Step 9 - Attach the Layer we created to the two functions. Run the following commands. To attach the Layer to the functions we created. Use commands -. Step 10 - To test the two functions we created use the following commands and see the results in createUserResponse. I tried my best to explain AWS Lamda layers in this post.
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So while on AWS Lambda is there some specific concerns when one is downloading a file and using it, related to its path or something, where do the files stay when they get downloaded, in fact, I don't even see the log of file getting downloaded.
You should also read AWS Lambda to get an overview of this concept. Login Sign Up. Courses Ask a Question. AWS Lambda - downloading a file, and using it in the same function - nodejs.
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