add scrip to remove old css files

docker/Dockerfile

@@ -2,11 +2,15 @@
 
 ARG NODE_VERSION="18.18.0"
 ARG BASE_VERSION="alpine3.17"
+ARG OLD_IMAGE="insights-webapp:latest"
+ARG KEEP_DAYS=60
 
-FROM node:${NODE_VERSION}-${BASE_VERSION} as builder
+FROM node:${NODE_VERSION}-${BASE_VERSION} AS builder
 
 WORKDIR /app
 
+ARG KEEP_DAYS=${KEEP_DAYS}
+
 ARG VITE_FIREBASE_CONFIG
 
 ENV VITE_FIREBASE_CONFIG $VITE_FIREBASE_CONFIG
@@ -31,14 +35,24 @@ COPY . ./
 
 RUN yarn build
 
+FROM ${OLD_IMAGE} AS old_css
+
 FROM nginxinc/nginx-unprivileged:1.25-alpine
+ARG OLD_IMAGE=${OLD_IMAGE}
+ARG KEEP_DAYS=${KEEP_DAYS}
 
 COPY --chown=nginx:nginx docker/nginx/nginx.conf /etc/nginx/nginx.conf
+COPY --chown=nginx:nginx docker/nginx/headers /usr/share/nginx/html/headers
+COPY --chown=nginx:nginx docker/file_handler.sh /
 COPY --from=builder --chown=nginx:nginx /app/dist /usr/share/nginx/html/insights/
+COPY --from=old_css --chown=nginx:nginx /usr/share/nginx/html/insights/assets/all.tx[t] /usr/share/nginx/html/insights/assets/*.css /usr/share/nginx/html/insights/assets/
+
 COPY docker-entrypoint.sh /
+
 RUN mv /usr/share/nginx/html/insights/index.html /usr/share/nginx/html/insights/index.html.tmpl \
     && cd /usr/share/nginx/html/insights/ \
-    && ln -s /tmp/index.html
+    && ln -s /tmp/index.html \
+    && /file_handler.sh css
 
 EXPOSE 8080
 ENTRYPOINT ["/docker-entrypoint.sh"]

docker/nginx/file_handler.sh

@@ -0,0 +1,114 @@
+#!/usr/bin/env sh
+
+FILES=""
+CURRENT_TIME=$( date +%s )
+EXPIRE_TIME=$(( CURRENT_TIME-(30*24*60*60) ))
+#EXPIRE_TIME=$(( CURRENT_TIME-1 ))
+
+dict_keys(){
+	IFS="$( printf '\t' )"
+	echo "$1" | while read -r KEY VALUE ; do
+		echo "${KEY}"
+	done
+}
+
+dict_values(){
+	IFS="$( printf '\t' )"
+	echo "$1" | while read -r KEY VALUE ; do
+		echo "${VALUE}"
+	done
+}
+
+
+dict_set(){
+	has_key="false"
+	IFS="$( printf '\t' )"
+
+	while read -r KEY VALUE ; do
+		if [ "${KEY}" = "$2" ] ; then
+			printf '%s\t%s\n' "$2" "$3"
+			has_key='true'
+		else
+			printf '%s\t%s\n' "${KEY}" "${VALUE}"
+		fi
+	done <<-EOFDICT
+	$1
+	EOFDICT
+	if [ "${has_key}" = 'false' ] ; then
+		printf '%s\t%s\n' "$2" "$3"
+	fi
+}
+
+dict_get(){
+	has_key="false"
+	IFS="$( printf '\t' )"
+
+	while read -r KEY VALUE ; do
+		if [ "${KEY}" = "$2" ] ; then
+			echo "${VALUE}"
+			has_key='true'
+			break
+		fi
+	done <<-EOFDICT
+$1
+EOFDICT
+
+	if [ "${has_key}" = 'false' ] ; then
+		echo "$3"
+	fi
+}
+
+load_files(){
+	while read -r file_ctime filename ; do
+		if [ "${file_ctime}" -le "$( dict_get "${FILES}" "${filename}" "3199999999" )" ] ; then
+			FILES=$( dict_set "${FILES}" "${filename}" "${file_ctime}" )
+		fi
+	done<<EOFDICT
+$( cat "$@" )
+EOFDICT
+
+}
+
+print_files(){
+	dict_keys "${FILES}" | while read -r filename ; do
+		if [ -r "${filename}" ] ; then
+			printf '%s\t%s\n' "$( dict_get "${FILES}" "${filename}" )" "${filename}"
+		fi
+	done
+}
+
+delete_old_files(){
+	for filename in $( dict_keys "${FILES}" ); do
+		if [ "${EXPIRE_TIME}" -gt "$( dict_get "${FILES}" "${filename}" )" ] ; then
+			echo "deleting: ${filename} $( dict_get "${FILES}" "${filename}" )" 1>&2
+			rm -rf "${filename}"
+		fi
+	done
+}
+
+generate_files(){
+	while read -r filename ; do
+		if [ -r "${filename}" ] ; then
+			printf '%s\t%s\n' "${CURRENT_TIME}" "${filename}"
+		fi
+	done
+}
+
+if [ "$1" = "delete_old" ]; then
+	shift
+	load_files "$@"
+	delete_old_files
+elif [ "$1" = "print" ] ; then
+	shift
+	load_files "$@"
+	#echo "$FILES"
+	print_files
+elif [ "$1" = "generate" ] ; then
+	generate_files
+elif [ "$1" = "css" ] ; then
+	load_files <<EOFDICT
+$( find . -iname "*.css" | generate_files ; [ -r assets/all.txt ] && cat assets/all.txt )
+EOFDICT
+	delete_old_files
+	print_files > assets/all.txt
+fi