hellolambda | Hello world for creating a semi-static site | Cloud Functions library
kandi X-RAY | hellolambda Summary
kandi X-RAY | hellolambda Summary
Hello world for creating a semi-static site on AWS: S3, Lambda, etc. Edit Add topics
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QUESTION
Recently, I have started learning AWS Cloud Formation (CF) and AWS Serverless Application Model (SAM). I found that there differences when it comes to syntax in its template files. For instance, to create a Lambda resource in SAM, we would declare something like this:-
...ANSWER
Answered 2020-Sep-20 at 11:55
- What was the need for SAM, if CF was already doing great things as IaC (Infrastructure as Code) for AWS Cloud?
It simplifies developments which involve lambda and API gateway - a very popular combination. Doing the same things in pure CFN, would require extra steps (e.g. manual setup of integration methods), which many don't want, or don't need to, know how to make. Also SAM has custom command line tool, which helps you run and test your lambda+api gateway locally and provide number of test events not available through CFN, or hides complexities associated with deployments of your functions through CodeDeploy. You can't do this easily with just CFN.
- Why somebody would prefer to SAM instead of CF?
Ability to easily test things locally combined with streamlined integration with CodeDeploy is very useful. So its good for people who want to put more focus on writing code for their applications, rather then spending much time on setting up everything from scratch, which is more of DevOps job.
Any finally, can I use the SAM resources (syntactical) to write in CF or vice-versa, for instance, can I declare a Lambda using the following syntax in a normal CF template or vice-versa:-
SAM templates can contain CFN resources, but not the other way. The Resources section in SAM:
- This section is similar to the Resources section of AWS CloudFormation templates. In AWS SAM templates, this section can contain AWS SAM resources in addition to AWS CloudFormation resources.
QUESTION
So i was trying to over ride the lambda environment, i used string interpolation, but there is a small thing i am unable to understand, so basically following is my Lambda, if you see the function name it has a place holder for Environment. But when i deploy it like this
...ANSWER
Answered 2018-Aug-21 at 12:23By having !Sub
in the front, you are invoking Sub-function with cloud formation. It takes the template parameters and applies the replacement where needed.
More documentation at,
https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/intrinsic-function-reference-sub.html
!Sub HelloLambda-${Environment}
takes the Environment variable and replace with the value specified, thus you get different functions based on the environment variable.
QUESTION
ANSWER
Answered 2018-May-02 at 05:28As the error clearly specifies 'No such directory entry'. I tried printing current working directory.
QUESTION
I am trying to host a laravel application on aws lambda and call it's routes using aws api gateway. The application is basically a web crawler which fetches web pages from rss feeds.
When I make a call to a laravel route using the url generated by api gateway, laravel redirects the request to '/home' path. However, when I test it on ec2 instance using "node debug" , it works like a charm. Below are the details of the steps I followed.
I followed a fantastic blog written by Chris White for hosting a laravel application on aws lambda.
Steps:
Generating a PHP CGI Binary
I used "amzn-ami-hvm-2016.03.3.x86_64-gp2" ec2 instance to build my php-cgi binary file
./configure --prefix=/tmp/php-7.0.11/compiled/ --without-pear --enable-shared=no --enable-static=yes --enable-phar --enable-json --disable-all --with-openssl --with-curl --enable-libxml --enable-simplexml --enable-xml --with-mhash --with-gd --enable-exif --with-freetype-dir --enable-mbstring --enable-sockets --enable-pdo --with-pdo-mysql --enable-tokenizer --enable-session --enable-filter
- NodeJS Lambda function to spawn PHP CGI process - php.js file
ANSWER
Answered 2017-May-30 at 20:39I don't really know anything about laravel but you have configured a route for espnheadlinesimage/....
but you are actually calling the route HelloLambda/espnheadlinesimage/{league}/{channel}
via API GW. The value of requestUri
(and event.path
) in the Lambda function will be HelloLambda/espnheadlinesimage/nhl/28
in your test API call.
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