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AWS Resources

Detailed configuration of all AWS resources used by Lira.

Account Information​

PropertyValue
Account ID912921195732
Primary Regionus-east-1
EC2 Instancet3.small
EC2 IP98.92.255.171
OSUbuntu 22.04

EC2 Instance​

The backend runs on a single EC2 t3.small instance:

  • CPU: 2 vCPUs (burstable)
  • RAM: 2 GB
  • Storage: EBS volume
  • Security Groups: HTTP (80), HTTPS (443), SSH (22)
  • Elastic IP: 98.92.255.171

Installed Software​

  • Node.js 20+
  • npm
  • Chromium (for Playwright)
  • Docker (for Qdrant)
  • nginx (reverse proxy)
  • certbot (SSL)

DynamoDB​

All tables use on-demand capacity mode:

lira-meetings​

KeyTypeDescription
meetingIdString (PK)Unique meeting identifier
orgIdString (GSI)Organization scope

lira-organizations​

KeyTypeDescription
orgIdString (PK)Unique org identifier

lira-connections​

KeyTypeDescription
connectionIdString (PK)OAuth connection identifier
orgIdString (GSI)Organization scope

lira-interviews​

KeyTypeDescription
interviewIdString (PK)Unique interview identifier
orgIdString (GSI)Organization scope

S3​

creovine-lira-documents (us-east-1)​

Organization document uploads for the knowledge base:

s3://creovine-lira-documents/{orgId}/documents/{documentId}/{filename}

lira-documents-storage​

Candidate resumes and interview artifacts:

s3://lira-documents-storage/resumes/{interviewId}/{filename}

Qdrant (Vector Database)​

Self-hosted on EC2 as a Docker container:

docker run -d --restart always -p 6333:6333 qdrant/qdrant
  • Collection: lira_org_embeddings
  • Distance: Cosine
  • Dimensions: 1536 (OpenAI text-embedding-3-small)
  • URL: http://localhost:6333 (internal only)