multica/scripts/ensure-postgres.sh

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#!/usr/bin/env bash
set -euo pipefail
ENV_FILE="${1:-.env}"
if [ ! -f "$ENV_FILE" ]; then
echo "Missing env file: $ENV_FILE"
echo "Create .env from .env.example, or run 'make worktree-env' and use .env.worktree."
exit 1
fi
set -a
# shellcheck disable=SC1090
. "$ENV_FILE"
set +a
POSTGRES_DB="${POSTGRES_DB:-multica}"
POSTGRES_USER="${POSTGRES_USER:-multica}"
POSTGRES_PASSWORD="${POSTGRES_PASSWORD:-multica}"
export PGPASSWORD="$POSTGRES_PASSWORD"
echo "==> Ensuring shared PostgreSQL container is running on localhost:5432..."
docker compose up -d postgres
echo "==> Waiting for PostgreSQL to be ready..."
until docker compose exec -T postgres pg_isready -U "$POSTGRES_USER" -d postgres > /dev/null 2>&1; do
sleep 1
done
echo "==> Ensuring database '$POSTGRES_DB' exists..."
db_exists="$(docker compose exec -T postgres \
psql -U "$POSTGRES_USER" -d postgres -Atqc "SELECT 1 FROM pg_database WHERE datname = '$POSTGRES_DB'")"
if [ "$db_exists" != "1" ]; then
docker compose exec -T postgres \
psql -U "$POSTGRES_USER" -d postgres -v ON_ERROR_STOP=1 \
-c "CREATE DATABASE \"$POSTGRES_DB\"" \
> /dev/null
fi
echo "✓ PostgreSQL ready. Application database: $POSTGRES_DB"