feat: Add Docker support with environment configuration and cron maintenance ✨

.env.example

@@ -0,0 +1,56 @@
+# ============================================================
+# Copy this file to .env and edit before running:
+#   cp .env.example .env
+# ============================================================
+
+# ------------------------------------------------------------
+# MariaDB
+# ------------------------------------------------------------
+MARIADB_ROOT_PASSWORD=rootsecret
+
+ARA_DATABASE_NAME=ara
+ARA_DATABASE_USER=ara
+ARA_DATABASE_PASSWORD=arasecret
+
+# ------------------------------------------------------------
+# ARA core
+# ------------------------------------------------------------
+# IMPORTANT: replace with a long random string in production
+ARA_SECRET_KEY=changeme_use_a_long_random_string
+
+# Timezone — controls BOTH crond scheduling AND ARA display times.
+# Use a tz database name: https://en.wikipedia.org/wiki/List_of_tz_database_time_zones
+# Examples: UTC, Pacific/Auckland, Australia/Sydney, Europe/London
+TZ=Pacific/Auckland
+
+# Comma-separated list of hostnames/IPs the server responds to
+# Example: ARA_ALLOWED_HOSTS=["ara.example.com"]
+ARA_ALLOWED_HOSTS=["*"]
+
+ARA_LOG_LEVEL=INFO
+
+# ------------------------------------------------------------
+# Server tuning
+# ------------------------------------------------------------
+ARA_PORT=8000
+ARA_GUNICORN_WORKERS=4
+ARA_PAGE_SIZE=100
+ARA_DATABASE_CONN_MAX_AGE=60
+
+# ------------------------------------------------------------
+# Security / auth (set to true to require login)
+# ------------------------------------------------------------
+ARA_READ_LOGIN_REQUIRED=false
+ARA_WRITE_LOGIN_REQUIRED=false
+
+# ------------------------------------------------------------
+# Maintenance — automatic pruning via built-in cron
+# ------------------------------------------------------------
+# Delete playbooks older than this many days
+ARA_PRUNE_DAYS=30
+
+# Standard cron schedule — default: daily at 02:00
+# Examples:
+#   every 6 hours  ->  0 */6 * * *
+#   every day      ->  0 2 * * *
+ARA_PRUNE_CRON=0 2 * * *