aws-python-rest-api-with-pymongo

Create the Mongo Atlas backend

Follow Part 1: Cluster Creation of this artice to create a cluster on Mongo Atlas' Free Tier.

Deploy the Serverless API to AWS

Install Serverless
```
npm install -g serverless
```

Install serverless-python-requirements

npm i --save serverless-python-requirements

Define necessary environment variables

Append this to your ~/.bash_profile

export MONGO_DB_USER=
export MONGO_DB_PASS=
export MONGO_DB_NAME=SampleDatabase
export MONGO_COLLECTION_NAME=SampleCollection
export MONGO_DB_URL=

Deploy the API

sls deploy

Your results should look something like this:

Serverless: Stack update finished...
Service Information
service: serverless-pymongo-item-api
stage: dev
region: us-east-1
stack: serverless-pymongo-item-api-dev
resources: 28
api keys:
  None
endpoints:
  POST - https://0xfyi15qci.execute-api.us-east-1.amazonaws.com/dev/item
  GET - https://0xfyi15qci.execute-api.us-east-1.amazonaws.com/dev/item
  GET - https://0xfyi15qci.execute-api.us-east-1.amazonaws.com/dev/item/{id}
  DELETE - https://0xfyi15qci.execute-api.us-east-1.amazonaws.com/dev/item/{id}
functions:
  create: serverless-pymongo-item-api-dev-create
  list: serverless-pymongo-item-api-dev-list
  get: serverless-pymongo-item-api-dev-get
  delete: serverless-pymongo-item-api-dev-delete
layers:
  None
Serverless: Removing old service artifacts from S3...
Serverless: Run the "serverless" command to setup monitoring, troubleshooting and testing.

Test the API by Creating and Querying items

Substitute your endpoints into these curl commands to test the Create, Read, and Delete operations

CREATE

curl --request POST \
  --url https://0xfyi15qci.execute-api.us-east-1.amazonaws.com/dev/item \
  --header 'content-type: application/json' \
  --data '{
	"attribute_1": "Pet",
	"attribute_2": "Rock"
}'

Expected Response

204 status

{
  "_id": "c6f03ca0-f792-11e9-9534-260a4b91bfe9",
  "data": {
    "attribute_1": "Pet",
    "attribute_2": "Rock"
  }
}

GET

curl --request GET \
  --url https://0xfyi15qci.execute-api.us-east-1.amazonaws.com/dev/item/c6f03ca0-f792-11e9-9534-260a4b91bfe9 \
  --header 'content-type: application/json'

Expected Response

200 status

{
  "_id": "c6f03ca0-f792-11e9-9534-260a4b91bfe9",
  "data": {
    "attribute_1": "Pet",
    "attribute_2": "Rock"
  }
}

LIST

curl --request GET \
  --url https://0xfyi15qci.execute-api.us-east-1.amazonaws.com/dev/item \
  --header 'content-type: application/json'

Expected Response

200 status

{
  "response_items": [
    {
      "_id": "c6f03ca0-f792-11e9-9534-260a4b91bfe9",
      "data": {
        "attribute_1": "Pet",
        "attribute_2": "Rock"
      }
    },
    {
      "_id": "717c5f36-f799-11e9-a921-1e0e685be73c",
      "data": {
        "attribute_1": "Pete",
        "attribute_2": "Rock"
      }
    }
  ],
  "filter": null
}

Delete

curl --request DELETE \
  --url https://0xfyi15qci.execute-api.us-east-1.amazonaws.com/dev/item/c6f03ca0-f792-11e9-9534-260a4b91bfe9 \
  --header 'content-type: application/json'

Expected Response

204 status