refactor: move everything to /cups base dir

.woodpecker/build-container.yml

@@ -24,6 +24,7 @@ steps:
       TRIVY_NO_PROGRESS: "true"
       TRIVY_SEVERITY: HIGH,CRITICAL
       TRIVY_TIMEOUT: 1m
+      TRIVY_DB_REPOSITORY: docker.io/aquasec/trivy-db:2
 
   - name: publish-dockerhub
     image: quay.io/thegeeklab/wp-docker-buildx:5

Containerfile.multiarch

@@ -20,18 +20,16 @@ ENV CUPS_FILTERS_VERSION=1.28.17-r6
 
 RUN apk --update --no-cache add libcap && \
     apk --update --no-cache add cups=${CUPS_VERSION} cups-filters=${CUPS_FILTERS_VERSION} --repository=http://dl-cdn.alpinelinux.org/alpine/edge/main && \
-    mkdir -p /run/cups && \
+    mkdir -p /run/cups /cups/conf /cups/cache /cups/data /cups/spool/tmp && \
+    cp /etc/cups/*.conf /cups/conf && \
+    cp -r /usr/share/cups/. /cups/data && \
     setcap 'cap_net_bind_service=+ep' /usr/sbin/cupsd && \
     rm -rf /var/cache/apk/* && \
     rm -rf /tmp/*
 
 ADD overlay/ /
 
-RUN chown -R root:lp /var/log/cups && \
-    chown -R root:lp /var/spool/cups && \
-    chown -R root:lp /var/cache/cups && \
-    chown -R root:lp /run/cups && \
-    chown -R root:lp /etc/cups
+RUN chown -R root:lp /cups
 
 EXPOSE 631
 

overlay/cups/conf/cups-files.conf

@@ -38,13 +38,13 @@ SystemGroup lpadmin
 AccessLog stderr
 
 # Location of cache files used by the scheduler...
-#CacheDir /var/cache/cups
+CacheDir /cups/cache
 
 # Location of data files used by the scheduler...
-#DataDir /usr/share/cups
+DataDir /cups/data
 
 # Location of the static web content served by the scheduler...
-#DocumentRoot /usr/share/cups
+DocumentRoot /cups/data
 
 # Location of the file logging all messages produced by the scheduler and any
 # helper programs; may be the name "syslog". If not an absolute path, the value
@@ -59,7 +59,7 @@ ErrorLog stderr
 PageLog stderr
 
 # Location of the file listing all of the local printers...
-#Printcap /etc/printcap
+Printcap /cups/conf/printcap
 
 # Format of the Printcap file...
 #PrintcapFormat bsd
@@ -67,21 +67,21 @@ PageLog stderr
 #PrintcapFormat solaris
 
 # Location of all spool files...
-#RequestRoot /var/spool/cups
+RequestRoot /cups/spool
 
 # Location of helper programs...
-#ServerBin /usr/lib/cups
+ServerBin /usr/lib/cups
 
 # SSL/TLS keychain for the scheduler...
 #ServerKeychain ssl
 
 # Location of other configuration files...
-#ServerRoot /etc/cups
+ServerRoot /cups/conf
 
 # Location of scheduler state files...
-#StateDir /run/cups
+StateDir /run/cups
 
 # Location of scheduler/helper temporary files. This directory is emptied on
 # scheduler startup and cannot be one of the standard (public) temporary
 # directory locations for security reasons...
-#TempDir /var/spool/cups/tmp
+TempDir /cups/spool/tmp

overlay/usr/local/bin/entrypoint

@@ -17,13 +17,14 @@ trap terminate TERM
 
 if [ -n "$CUPS_ADMIN_USERNAME" ] && [ -n "$CUPS_ADMIN_PASSWORD" ]; then
     if ! id -u "$CUPS_ADMIN_USERNAME" >/dev/null 2>&1; then
+        echo "Creating user $CUPS_ADMIN_USERNAME..."
         adduser -S -H -G lpadmin "$CUPS_ADMIN_USERNAME"
         echo "$CUPS_ADMIN_USERNAME:$CUPS_ADMIN_PASSWORD" | chpasswd 2>/dev/null
     fi
 fi
 
 # Start CUPS in the background and get its PID
-/usr/sbin/cupsd -f &
+/usr/sbin/cupsd -f -c /cups/conf/cupsd.conf -s /cups/conf/cups-files.conf &
 child=$!
 
 # Wait for the CUPS process