Created
January 23, 2026 09:48
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Restore a dockerized postgresql instance with credentials at `.env` file in the same folder
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| #!/bin/bash | |
| DATABASE_CONTAINER="FILL_HERE" | |
| # Check if SQL file is provided as argument | |
| if [ $# -eq 0 ]; then | |
| echo "Usage: $0 <backup-file.sql>" | |
| echo "Example: $0 backup.sql" | |
| exit 1 | |
| fi | |
| BACKUP_FILE="$1" | |
| # Check if backup file exists | |
| if [ ! -f "${BACKUP_FILE}" ]; then | |
| echo "Error: Backup file '${BACKUP_FILE}' not found" | |
| exit 1 | |
| fi | |
| # Load environment variables from .env file | |
| if [ -f .env ]; then | |
| export $(grep -v '^#' .env | xargs) | |
| else | |
| echo "Error: .env file not found" | |
| exit 1 | |
| fi | |
| # Check if database container is running | |
| if ! docker ps | grep -q "${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 | |
| echo "Starting database restore..." | |
| echo "Database: ${POSTGRES_DB}" | |
| echo "User: ${POSTGRES_USER}" | |
| echo "Source file: ${BACKUP_FILE}" | |
| echo "File size: $(du -h "${BACKUP_FILE}" | cut -f1)" | |
| # Warning prompt | |
| echo "" | |
| echo "⚠️ WARNING: This will replace ALL data in the database '${POSTGRES_DB}'" | |
| read -p "Are you sure you want to continue? (y/N): " -n 1 -r | |
| echo "" | |
| if [[ ! $REPLY =~ ^[Yy]$ ]]; then | |
| echo "Restore cancelled." | |
| exit 0 | |
| fi | |
| echo "Restoring database..." | |
| # Drop and recreate database to ensure clean restore | |
| echo "Dropping existing database..." | |
| docker exec -i ${DATABASE_CONTAINER} psql -U "${POSTGRES_USER}" -d postgres -c "DROP DATABASE IF EXISTS \"${POSTGRES_DB}\";" | |
| echo "Creating new database..." | |
| docker exec -i ${DATABASE_CONTAINER} psql -U "${POSTGRES_USER}" -d postgres -c "CREATE DATABASE \"${POSTGRES_DB}\";" | |
| # Restore the database | |
| echo "Restoring data..." | |
| cat "${BACKUP_FILE}" | docker exec -i ${DATABASE_CONTAINER} psql -U "${POSTGRES_USER}" -d "${POSTGRES_DB}" | |
| if [ $? -eq 0 ]; then | |
| echo "✅ Database restore completed successfully!" | |
| echo "Database '${POSTGRES_DB}' has been restored from '${BACKUP_FILE}'" | |
| else | |
| echo "❌ Database restore failed!" | |
| exit 1 | |
| fi |
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