56 lines
1.9 KiB
Bash
Executable File
56 lines
1.9 KiB
Bash
Executable File
#!/bin/sh
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# wait-for-db.sh - Wait for PostgreSQL to be ready before starting the application
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set -e
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host="${DB_HOST:-postgres}"
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port="${DB_PORT:-5432}"
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user="${DB_USER:-picpeak}"
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target_db="${DB_NAME:-picpeak}"
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default_db="${DB_CHECK_DB:-postgres}"
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sanitize_identifier() {
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printf '%s' "$1" | sed "s/'/''/g"
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}
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echo "Waiting for PostgreSQL at $host:$port..."
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# Wait for PostgreSQL server to accept connections (using the default database)
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until PGPASSWORD="$DB_PASSWORD" psql -h "$host" -p "$port" -U "$user" -d "$default_db" -c '\q' >/dev/null 2>&1; do
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>&2 echo "PostgreSQL is unavailable - sleeping"
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sleep 2
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done
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>&2 echo "PostgreSQL is up - verifying target database \"$target_db\""
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# Ensure the target database exists (helps when volumes are reused or DB_NAME is customised)
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db_exists=$(PGPASSWORD="$DB_PASSWORD" psql -h "$host" -p "$port" -U "$user" -d "$default_db" -tAc "SELECT 1 FROM pg_database WHERE datname = '$(sanitize_identifier "$target_db")'" 2>/dev/null || echo 0)
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if [ "$db_exists" != "1" ]; then
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>&2 echo "Database \"$target_db\" not found. Attempting to create..."
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if ! PGPASSWORD="$DB_PASSWORD" psql -h "$host" -p "$port" -U "$user" -d "$default_db" -c "CREATE DATABASE \"$target_db\";" >/dev/null 2>&1; then
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>&2 echo "Failed to create database \"$target_db\". Please ensure it exists and is accessible."
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exit 1
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fi
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>&2 echo "Database \"$target_db\" created successfully."
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fi
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# Wait until the target database itself is ready to accept connections
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until PGPASSWORD="$DB_PASSWORD" psql -h "$host" -p "$port" -U "$user" -d "$target_db" -c '\q' >/dev/null 2>&1; do
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>&2 echo "Waiting for database \"$target_db\" to accept connections..."
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sleep 2
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done
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>&2 echo "Target database \"$target_db\" is ready."
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# Run migrations (use safe runner in production)
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echo "Running database migrations..."
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if [ "$NODE_ENV" = "production" ]; then
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npm run migrate:safe
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else
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npm run migrate
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fi
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# Execute the main command
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exec "$@"
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