diff --git a/.env.example b/.env.example
new file mode 100644
index 0000000..38a8106
--- /dev/null
+++ b/.env.example
@@ -0,0 +1,26 @@
+# Application configuration
+MAX_CONTENT_LENGTH=1048576
+MAX_PENDING_TIME=600
+MAX_STORE_TIME=259200
+CLEAR_AT_RESTART=1
+SKIP_IHDR_FILL=1
+
+# Flask configuration
+FLASK_DEBUG=0
+FLASK_ENV=development
+
+# Redis configuration
+RQ_DASHBOARD_REDIS_URL=redis://redis:6379/0
+
+# Database configuration
+POSTGRES_DB=aperisolve
+POSTGRES_USER=aperiuser
+POSTGRES_PASSWORD=aperipass
+DB_URI=postgresql://aperiuser:aperipass@postgres:5432/aperisolve
+
+# Sentry configuration
+SENTRY_DSN=https://your-dsn@sentry.io/project-id
+SENTRY_TRACES_SAMPLE_RATE=0.1
+SENTRY_PROFILES_SAMPLE_RATE=0.1
+SENTRY_RELEASE=1.0.0
+SENTRY_ENVIRONMENT=development
diff --git a/.gitignore b/.gitignore
index 5482ea4..8a70dc2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,5 @@
 # Python
+.env
 __pycache__/
 .mypy_cache/
 results/
-.env