current-time-insert-py

Current Time Insert PY

A mock-up Python application that inserts a JSON on a MongoDB database containing the current day and time.

• Current Time Insert PY
  • File Structure
  • Environment variables
  • Run app locally
    • Using Python
    • Using Docker

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File Structure

This app has a few important files:

• a Dockerfile, which will build the container image based on the source code
• Application dependencies on the requirements.txt file
• A src folder containing the app's source code. There you'll find:
  • database.py file containing scripts for altering and interacting with the MongoDB database
  • icos.py script regarding connection and file downloads from IBM Cloud Object Storage (ICOS)
  • main.js, which is the main program
  • .env file containing all the environment variables

Environment variables

The app uses the following environment variables:

• MONGO_URL: mongodb URI connection string. See more info in the docs
• replicaSet: mongodb's replica set value. Default: replset
• TLS_FILE_NAME: name of the database TLS certificate file. Same value as the key identifying such file on ICOS
• MONGO_DB_NAME: database name. Default: admin
• MONGO_COLLECTION_NAME: collection where data will be inserted/retrieved
• COS_API_KEY_ID: ICOS instance's APIKEY value. Can be obtained from the instance's Service Credentials section on IBM Cloud.
• COS_INSTANCE_ID: ICOS instance ID. Can be obtained from the instance's Service Credentials section on IBM Cloud.
• COS_ENDPOINT: ICOS endpoint. Not to be confused with the value found on Service Credentials. For more info, see Endpoints and storage locations Default: https://s3.us-south.cloud-object-storage.appdomain.cloud
• COS_BUCKET_NAME: bucket name where the info will be retrieved/stored
• COS_BUCKET_LOCATION: bucket location/region. Default: us-south

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Run app locally

CD to the repository directory:

cd /repository/directory

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Using Python

Install dependencies by running:

pip install -r requirements.txt

Run app by running:

cd ./src
python main.py

Using Docker

Build the image:

docker build . -t <image_tag>

Note: for uploading to IBM Container registry, <image_tag> format should be us.icr.io/<my_namespace>/<my_repository>:<my_tag>

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Run it:

docker run <image_tag>

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If you can't remember the image tag, list them by running:

docker image list