diff --git a/stack.env b/stack.env
new file mode 100644
index 0000000..51c513e
--- /dev/null
+++ b/stack.env
@@ -0,0 +1,56 @@
+PORT=3040
+
+POSTGRES_USER=curio
+POSTGRES_PASSWORD=changeme
+DATABASE_URL=postgresql://curio:changeme@postgres:5432/curio
+
+REDIS_URL=redis://redis:6379
+
+AUTH_SECRET=generate-with-openssl-rand-hex-32
+AUTH_URL=https://curio.arnaudne.fr
+AUTH_GITHUB_ID=
+AUTH_GITHUB_SECRET=
+AUTH_GOOGLE_ID=
+AUTH_GOOGLE_SECRET=
+AUTH_OIDC_ISSUER=
+AUTH_OIDC_CLIENT_ID=
+AUTH_OIDC_CLIENT_SECRET=
+AUTH_OIDC_DISPLAY_NAME=SSO
+
+SMTP_HOST=smtp.eu.mailgun.org
+SMTP_PORT=587
+SMTP_USER=curio@arnaudne.fr
+SMTP_PASS=changeme
+EMAIL_FROM=curio@arnaudne.fr
+
+LANGFUSE_SECRET_KEY=
+LANGFUSE_PUBLIC_KEY=
+LANGFUSE_HOST=https://cloud.langfuse.com
+
+SESSION_TOKEN_BUDGET=50000
+
+UPSTASH_REDIS_REST_URL=
+UPSTASH_REDIS_REST_TOKEN=
+
+LLM_GENERATOR_PROVIDER=openrouter
+LLM_GENERATOR_MODEL=google/gemma-4-31b-it:free
+LLM_GRADER_PROVIDER=openrouter
+LLM_GRADER_MODEL=google/gemma-4-31b-it:free
+LLM_CHEAP_GRADER_PROVIDER=openrouter
+LLM_CHEAP_GRADER_MODEL=google/gemma-4-31b-it:free
+LLM_EMBED_PROVIDER=google
+LLM_EMBED_MODEL=gemini-embedding-001
+CONTENT_SAFETY_MODE=controlled
+
+OPENROUTER_API_KEY=changeme
+GOOGLE_GENERATIVE_AI_API_KEY=changeme
+MISTRAL_API_KEY=
+COHERE_API_KEY=
+GROQ_API_KEY=
+XAI_API_KEY=
+AWS_REGION=us-east-1
+AWS_ACCESS_KEY_ID=
+AWS_SECRET_ACCESS_KEY=
+AZURE_OPENAI_RESOURCE_NAME=
+AZURE_API_KEY=
+OLLAMA_BASE_URL=