init

entrypoint.sh

@@ -0,0 +1,47 @@
+#!/bin/bash
+set -e
+
+# Default values
+EMAIL="${EMAIL:-}"
+DOMAINS="${DOMAINS:-}"
+DNS_ADDRESS="${DNS_ADDRESS:-0.0.0.0}"
+DNS_IPV6_ADDRESS="${DNS_IPV6_ADDRESS:-::}"
+DNS_PORT="${DNS_PORT:-53}"
+STAGING="${STAGING:-false}"
+DRY_RUN="${DRY_RUN:-false}"
+
+# Validate required environment variables
+if [ -z "$EMAIL" ]; then
+    echo "ERROR: EMAIL environment variable is required"
+    echo "Usage: docker run -e EMAIL=you@example.com -e DOMAINS='-d example.com -d *.example.com' ..."
+    exit 1
+fi
+
+if [ -z "$DOMAINS" ]; then
+    echo "ERROR: DOMAINS environment variable is required"
+    echo "Usage: docker run -e EMAIL=you@example.com -e DOMAINS='-d example.com -d *.example.com' ..."
+    exit 1
+fi
+
+# Build certbot command
+CMD="certbot --non-interactive --agree-tos --email ${EMAIL} certonly"
+CMD="${CMD} --authenticator dns-standalone"
+CMD="${CMD} --dns-standalone-address=${DNS_ADDRESS}"
+CMD="${CMD} --dns-standalone-ipv6-address=${DNS_IPV6_ADDRESS}"
+CMD="${CMD} --dns-standalone-port=${DNS_PORT}"
+
+# Add staging flag if requested (useful for testing)
+if [ "$STAGING" = "true" ]; then
+    CMD="${CMD} --staging"
+fi
+
+# Add dry-run flag if requested
+if [ "$DRY_RUN" = "true" ]; then
+    CMD="${CMD} --dry-run"
+fi
+
+# Add domains
+CMD="${CMD} ${DOMAINS}"
+
+echo "Running: ${CMD}"
+exec ${CMD}