README update for imaginary

.env.sample

@@ -23,7 +23,6 @@ SECRET_ADMIN_PASSWORD_VERSION=v1
 EXTRA_VOLUME=/dev/null:/tmp/.dummy
 
 PHP_MEMORY_LIMIT=1G
-PHP_UPLOAD_LIMIT=512M
 # fpm-tune, see: https://spot13.com/pmcalculator/
 FPM_MAX_CHILDREN=16
 FPM_START_SERVERS=4
@@ -89,6 +88,9 @@ DEFAULT_QUOTA="10 GB"
 #COMPOSE_FILE="$COMPOSE_FILE:compose.fulltextsearch.yml"
 #SECRET_ELASTICSEARCH_PASSWORD_VERSION=v1
 
+# Image / PDF previews with Imaginary (see README)
+#COMPOSE_FILE="$COMPOSE_FILE:compose.imaginary-preview.yml"
+
 # HSTS Options
 # Uncomment this line to enable HSTS: https://docs.nextcloud.com/server/30/admin_manual/installation/harden_server.html
 #HSTS_ENABLED=1

README.md

@@ -249,6 +249,20 @@ docker exec -u www-data $(docker ps -f name=foo_com_app -q) ./occ preview:pre-ge
 
 This app will improve performance of image browsing at the cost of storage space.
 
+## Better image previews with `imaginary`
+
+1. Run `abra app config <domain>` and uncomment the line `#COMPOSE_FILE="$COMPOSE_FILE:compose.imaginary-preview.yml"`.
+2. Re-deploy the app (`abra app deploy <domain> --force`)
+3. Edit `/var/www/config/config.php` and add:
+
+  ```
+  'enabledPreviewProviders' => 
+  array (
+    0 => 'OC\\Preview\\Imaginary',
+  ),
+  'preview_imaginary_url' => 'http://imaginary:9000',
+  ```
+
 ## Fulltextsearch using elasticsearch
 
 1. Uncomment the following lines in your env file:

abra.sh

@@ -2,7 +2,7 @@
 
 export FPM_TUNE_VERSION=v5
 export NGINX_CONF_VERSION=v8
-export MY_CNF_VERSION=v6
+export MY_CNF_VERSION=v5
 export ENTRYPOINT_VERSION=v3
 export ENTRYPOINT_WHITEBOARD_VERSION=v1
 export CRONTAB_VERSION=v1

compose.imaginary-preview.yml

@@ -0,0 +1,10 @@
+---
+version: '3.8'
+services:
+  imaginary:
+    image: nextcloud/aio-imaginary:20250822_112758
+    environment:
+      - PORT=9000
+    command: -concurrency 50 -enable-url-source -log-level debug
+    networks:
+      - internal

compose.mariadb.yml

@@ -16,7 +16,6 @@ services:
       - MYSQL_PASSWORD_FILE=/run/secrets/db_password
       - MYSQL_ROOT_PASSWORD_FILE=/run/secrets/db_root_password
       - MAX_DB_CONNECTIONS=${MAX_DB_CONNECTIONS:-100}
-      - INNODB_BUFFER_POOL_SIZE=${INNODB_BUFFER_POOL_SIZE:-1G}"
     configs:
       - source: my_tune
         target: /etc/mysql/conf.d/my-tune.cnf

compose.yml

@@ -35,8 +35,8 @@ services:
         - "traefik.http.routers.${STACK_NAME}.tls.certresolver=${LETS_ENCRYPT_ENV}"
         - "traefik.http.routers.${STACK_NAME}.entrypoints=web-secure"
         - "traefik.http.routers.${STACK_NAME}.middlewares=${STACK_NAME}-redirect"
-        - "traefik.http.middlewares.${STACK_NAME}-redirect.redirectscheme.scheme=https"
-        - "traefik.http.middlewares.${STACK_NAME}-redirect.redirectscheme.permanent=true"
+        - "traefik.http.middlewares.${STACK_NAME}-redirect.headers.SSLForceHost=true"
+        - "traefik.http.middlewares.${STACK_NAME}-redirect.headers.SSLHost=${DOMAIN}"
         - "caddy=${DOMAIN}"
         - "caddy.reverse_proxy={{upstreams 80}}"
         - "caddy.tls.on_demand="
@@ -76,7 +76,6 @@ services:
       - OVERWRITEPROTOCOL=https
       - OVERWRITECLIURL=https://${DOMAIN}
       - PHP_MEMORY_LIMIT=${PHP_MEMORY_LIMIT:-1G}
-      - PHP_UPLOAD_LIMIT=${PHP_UPLOAD_LIMIT:-512M}
       - FPM_MAX_CHILDREN=${FPM_MAX_CHILDREN:-131}
       - FPM_START_SERVERS=${FPM_START_SERVERS:-32}
       - FPM_MIN_SPARE_SERVERS=${FPM_MIN_SPARE_SERVERS:-32}

my-tune.cnf

@@ -4,7 +4,7 @@
 # https://mariadb.com/kb/en/library/performance-schema-overview/
 
 [server]
-innodb_buffer_pool_size        = {{ env "INNODB_BUFFER_POOL_SIZE" }}
+innodb_buffer_pool_size        = 1G
 innodb_flush_log_at_trx_commit = 2
 innodb_log_buffer_size         = 32M
 innodb_max_dirty_pages_pct     = 90