Duck in iron cast pot

Ingredients

• 1 whole duck
• 4-5 tbsp olive oil for cooking
• 1 small fresh chilli or 1 tsp chilli flakes
• 2 shallots
• 2 carrots
• 3 celery ribs
• 3 cloves of garlic
• 2 slices of orange
• Some lemon juice
• 1 rosemary sprig
• 5 thyme sprigs
• 4 fresh bay leaves
• 1 handful pitted olives
• 1 star anise
• 2 allspice
• ½ litre white wine
• Red wine vinegar
• Salt and pepper