Created
January 23, 2026 09:40
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Backup a dockerized postgresql instance with credentials at `.env` file in the same folder
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| #!/bin/bash | |
| DATABASE_CONTAINER="FILL_HERE" | |
| # Load environment variables from .env file | |
| if [ -f .env ]; then | |
| set -a | |
| source .env | |
| set +a | |
| else | |
| echo "Error: .env file not found" | |
| exit 1 | |
| fi | |
| # Check if database container is running | |
| if ! docker ps | grep -q "${DATABASE_CONTAINER}"; then | |
| echo "Error: Database container '${DATABASE_CONTAINER}' is not running" | |
| echo "Please start the container with: docker-compose up -d db" | |
| exit 1 | |
| fi | |
| # Create timestamp for backup filename | |
| TIMESTAMP=$(date +"%Y%m%d_%H%M%S") | |
| BACKUP_FILE=".db/backup_${POSTGRES_DB}_${TIMESTAMP}.sql" | |
| echo "Starting database backup..." | |
| echo "Database: ${POSTGRES_DB}" | |
| echo "User: ${POSTGRES_USER}" | |
| echo "Output file: ${BACKUP_FILE}" | |
| mkdir -p .db | |
| # Dump the database | |
| docker exec -t ${DATABASE_CONTAINER} pg_dump -U "${POSTGRES_USER}" "${POSTGRES_DB}" > "${BACKUP_FILE}" | |
| if [ $? -eq 0 ]; then | |
| echo "✅ Database backup completed successfully!" | |
| echo "Backup saved to: ${BACKUP_FILE}" | |
| echo "File size: $(du -h "${BACKUP_FILE}" | cut -f1)" | |
| else | |
| echo "❌ Database backup failed!" | |
| exit 1 | |
| fi |
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