Add entrypoint.sh for OL10 httpd (#3032)

Author: jakegt1

OracleLinuxDevelopers/oraclelinux10/httpd/2.4/entrypoint.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+
+set -eu pipefail
+
+SERVER_CERT="$CERTIFICATE_DIR/fullchain.pem"
+SERVER_KEY="$KEY_DIR/privkey.pem"
+
+if [ ! -f "$SERVER_KEY" ]; then
+    echo "Generating certificate private key for SSL support" 1>&2
+    openssl genpkey -algorithm RSA -out "$SERVER_KEY" 1>&2
+fi
+
+if [ ! -f "$SERVER_CERT" ]; then
+    echo "Generating self-signed certificate for SSL support" 1>&2
+    openssl req -x509 -new -nodes -key "$SERVER_KEY" -sha256 -days 3650 -out "$SERVER_CERT" -subj "/C=US/ST=California/L=San Francisco/O=Test Company/CN=localhost" 1>&2
+fi
+
+httpd -DFOREGROUND