run_kubernetes.sh

#!/usr/bin/env bash
# This file deploys the task manager API to Kubernetes

# Reads an environment variable from a .env file
read_var() {
    VAR=$(grep $1 prod.env | xargs)
    IFS="=" read -ra VAR <<< "$VAR"
    echo ${VAR[1]}
}

# Step 1:
# Set environment variables
REGISTRY_URL="490300663378.dkr.ecr.us-east-2.amazonaws.com"
DOCKER_IMAGE="task-manager-api:latest"

# Step 2:
# Create a secret with the environment variables needed
if [ $(kubectl get secret prod-env -o jsonpath='{.kind}') ]
  then
    kubectl delete secret prod-env
fi
kubectl create secret generic prod-env \
    --from-literal=PORT="$(read_var PORT)" \
    --from-literal=SECRET_KEY="$(read_var SECRET_KEY)" \
    --from-literal=EMAIL_SERVICE_KEY="$(read_var EMAIL_SERVICE_KEY)" \
    --from-literal=MONGO_DB_URL="$(read_var MONGO_DB_URL)" \
    --from-literal=MONGO_DB_NAME="$(read_var MONGO_DB_NAME)"

# Step 3:
# Create a task-manager-api deployment with two replicas 
kubectl apply -f k8s/api-deployment.yaml

# Step 4:
# Create a load balancer that exposes the replicas evenly
kubectl apply -f k8s/api-load-balancer.yaml