chore: 5/6 - Shift dhparam method to the bottom

Minor change on error message.

docker-entrypoint.sh

@@ -1,37 +1,6 @@
 #!/bin/bash
 set -e
 
-function _setup_dhparam() {
-	echo 'Setting up DH Parameters..'
-
-	# DH params will be supplied for nginx here:
-	DHPARAM_FILE='/etc/nginx/dhparam/dhparam.pem'
-
-	# DH params may be provided by the user (rarely necessary),
-	# or use an existing pre-generated group from RFC7919, defaulting to 4096-bit:
-	if [[ -f ${DHPARAM_FILE} ]]
-	then
-		echo 'Warning: A custom dhparam.pem file was provided. Best practice is to use standardized RFC7919 DHE groups instead.' >&2
-	else
-		# ENV DHPARAM_BITS - Defines which RFC7919 DHE group to use (default: 4096-bit):
-		local FFDHE_GROUP="${DHPARAM_BITS:-4096}"
-		# RFC7919 groups are defined here:
-		# https://datatracker.ietf.org/doc/html/rfc7919#appendix-A
-		local RFC7919_DHPARAM_FILE="/app/dhparam/ffdhe${FFDHE_GROUP}.pem"
-
-		# Only the following pre-generated sizes are supported,
-		# emit an error and kill the container if provided an invalid value:
-		if [[ ! ${DHPARAM_BITS} =~ ^(2048|3072|4096)$ ]]
-		then
-			echo "ERROR: Unsupported DHPARAM_BITS size: ${DHPARAM_BITS}, use 2048, 3072, or 4096 (default)." >&2
-			exit 1
-		fi
-
-		# Provide the DH params file to nginx:
-		cp "${RFC7919_DHPARAM_FILE}" "${DHPARAM_FILE}"
-	fi
-}
-
 function _check_unix_socket() {
 	# Warn if the DOCKER_HOST socket does not exist
 	if [[ $DOCKER_HOST = unix://* ]]; then
@@ -64,6 +33,37 @@ function _resolvers() {
 	fi
 }
 
+function _setup_dhparam() {
+	echo 'Setting up DH Parameters..'
+
+	# DH params will be supplied for nginx here:
+	DHPARAM_FILE='/etc/nginx/dhparam/dhparam.pem'
+
+	# DH params may be provided by the user (rarely necessary),
+	# or use an existing pre-generated group from RFC7919, defaulting to 4096-bit:
+	if [[ -f ${DHPARAM_FILE} ]]
+	then
+		echo 'Warning: A custom dhparam.pem file was provided. Best practice is to use standardized RFC7919 DHE groups instead.' >&2
+	else
+		# ENV DHPARAM_BITS - Defines which RFC7919 DHE group to use (default: 4096-bit):
+		local FFDHE_GROUP="${DHPARAM_BITS:-4096}"
+		# RFC7919 groups are defined here:
+		# https://datatracker.ietf.org/doc/html/rfc7919#appendix-A
+		local RFC7919_DHPARAM_FILE="/app/dhparam/ffdhe${FFDHE_GROUP}.pem"
+
+		# Only the following pre-generated sizes are supported,
+		# emit an error and kill the container if provided an invalid value:
+		if [[ ! ${DHPARAM_BITS} =~ ^(2048|3072|4096)$ ]]
+		then
+			echo "ERROR: Unsupported DHPARAM_BITS size: ${DHPARAM_BITS}, use 2048, 3072, or 4096 (default)." >&2
+			exit 1
+		fi
+
+		# Provide the DH params file to nginx:
+		cp "${RFC7919_DHPARAM_FILE}" "${DHPARAM_FILE}"
+	fi
+}
+
 # Run the init logic if the default CMD was provided
 if [[ $* == 'forego start -r' ]]; then
 	_check_unix_socket