diff --git a/Dockerfile b/Dockerfile
index f6775d0..fba6b11 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -13,37 +13,36 @@ RUN set -ex \
  && apk add \
       ansible \
       curl \
-      git \
       libwebp \
       mariadb-client \
       nginx \
       pcre \
-      php7 \
-      php7-amqp \
-      php7-bcmath \
-      php7-ctype \
-      php7-curl \
-      php7-dom \
-      php7-fpm \
-      php7-gd \
-      php7-gettext \
-      php7-iconv \
-      php7-json \
-      php7-mbstring \
-      php7-openssl \
-      php7-pdo_mysql \
-      php7-pdo_pgsql \
-      php7-pdo_sqlite \
-      php7-phar \
-      php7-session \
-      php7-simplexml \
-      php7-tokenizer \
-      php7-xml \
-      php7-zlib \
-      php7-sockets \
-      php7-xmlreader \
-      php7-tidy \
-      php7-intl \
+      php8 \
+      php8-bcmath \
+      php8-ctype \
+      php8-curl \
+      php8-dom \
+      php8-fpm \
+      php8-gd \
+      php8-gettext \
+      php8-iconv \
+      php8-json \
+      php8-mbstring \
+      php8-openssl \
+      php8-pecl-amqp \
+      php8-pdo_mysql \
+      php8-pdo_pgsql \
+      php8-pdo_sqlite \
+      php8-phar \
+      php8-session \
+      php8-simplexml \
+      php8-tokenizer \
+      php8-xml \
+      php8-zlib \
+      php8-sockets \
+      php8-xmlreader \
+      php8-tidy \
+      php8-intl \
       py3-mysqlclient \
       py3-psycopg2 \
       py-simplejson \
@@ -51,19 +50,27 @@ RUN set -ex \
       s6 \
       tar \
       tzdata \
+ && ln -sf /usr/bin/php8 /usr/bin/php \
+ && ln -sf /usr/sbin/php-fpm8 /usr/sbin/php-fpm \
  && rm -rf /var/cache/apk/* \
  && ln -sf /dev/stdout /var/log/nginx/access.log \
  && ln -sf /dev/stderr /var/log/nginx/error.log \
  && curl -s https://getcomposer.org/installer | php \
  && mv composer.phar /usr/local/bin/composer \
- && composer selfupdate 2.2.12 \
- && git clone --branch $WALLABAG_VERSION --depth 1 https://github.com/wallabag/wallabag.git /var/www/wallabag
+ && composer selfupdate 2.2.12
 
 COPY root /
 
 RUN set -ex \
+ && mv /var/www/wallabag/app /tmp/app \
+ && curl -L -o /tmp/wallabag.tar.gz https://github.com/wallabag/wallabag/archive/$WALLABAG_VERSION.tar.gz \
+ && tar xvf /tmp/wallabag.tar.gz -C /tmp \
+ && mv /tmp/wallabag-*/* /var/www/wallabag/ \
+ && rm -rf /tmp/wallabag* \
+ && mv /tmp/app/config/parameters.yml /var/www/wallabag/app/config/parameters.yml \
  && cd /var/www/wallabag \
  && SYMFONY_ENV=prod composer install --no-dev -o --prefer-dist --no-progress \
+ && rm -rf /root/.composer/* /var/www/wallabag/var/cache/* /var/www/wallabag/var/logs/* /var/www/wallabag/var/sessions/* \
  && chown -R nobody:nobody /var/www/wallabag
 
 EXPOSE 80
diff --git a/README.md b/README.md
index eb5fa05..c49effd 100644
--- a/README.md
+++ b/README.md
@@ -24,6 +24,7 @@ Default login is `wallabag:wallabag`.
 - `-e SYMFONY__ENV__DATABASE_USER=...` (defaults to "root", this is the name of the database user to use)
 - `-e SYMFONY__ENV__DATABASE_PASSWORD=...` (defaults to "~", this is the password of the database user to use)
 - `-e SYMFONY__ENV__DATABASE_CHARSET=...` (defaults to utf8, this is the database charset to use)
+- `-e SYMFONY__ENV__DATABASE_TABLE_PREFIX=...` (defaults to "wallabag_". Specifies the prefix for each database table)
 - `-e SYMFONY__ENV__SECRET=...` (defaults to "ovmpmAWXRCabNlMgzlzFXDYmCFfzGv")
 - `-e SYMFONY__ENV__LOCALE=...` (default to en)
 - `-e SYMFONY__ENV__MAILER_HOST=...`  (defaults to "127.0.0.1", the SMTP host)
@@ -123,6 +124,7 @@ services:
       - SYMFONY__ENV__DATABASE_USER=wallabag
       - SYMFONY__ENV__DATABASE_PASSWORD=wallapass
       - SYMFONY__ENV__DATABASE_CHARSET=utf8mb4
+      - SYMFONY__ENV__DATABASE_TABLE_PREFIX="wallabag_"
       - SYMFONY__ENV__MAILER_HOST=127.0.0.1
       - SYMFONY__ENV__MAILER_USER=~
       - SYMFONY__ENV__MAILER_PASSWORD=~
diff --git a/root/etc/ansible/entrypoint.yml b/root/etc/ansible/entrypoint.yml
index f176fd6..b31cb5c 100644
--- a/root/etc/ansible/entrypoint.yml
+++ b/root/etc/ansible/entrypoint.yml
@@ -14,6 +14,7 @@
     database_root_password_postgres: "{{ lookup('env', 'POSTGRES_PASSWORD') }}"
     database_user: "{{ lookup('env', 'SYMFONY__ENV__DATABASE_USER')|default('root', true) }}"
     database_charset: "{{ lookup('env', 'SYMFONY__ENV__DATABASE_CHARSET')|default('utf8', true) }}"
+    database_table_prefix: "{{ lookup('env', 'SYMFONY__ENV__DATABASE_TABLE_PREFIX')|default('wallabag_', true) }}"
     populate_database: "{{ lookup('env', 'POPULATE_DATABASE')|default(True, true) }}"
     locale: "{{ lookup('env', 'SYMFONY__ENV__LOCALE')|default('en', true) }}"
     secret: "{{ lookup('env', 'SYMFONY__ENV__SECRET')|default('ovmpmAWXRCabNlMgzlzFXDYmCFfzGv', true) }}"
diff --git a/root/etc/ansible/templates/parameters.yml.j2 b/root/etc/ansible/templates/parameters.yml.j2
index f01cc5c..5efa74c 100644
--- a/root/etc/ansible/templates/parameters.yml.j2
+++ b/root/etc/ansible/templates/parameters.yml.j2
@@ -6,7 +6,7 @@ parameters:
     database_user: {{ database_user }}
     database_password: {{ database_password }}
     database_path: "%kernel.root_dir%/../data/db/wallabag.sqlite"
-    database_table_prefix: wallabag_
+    database_table_prefix: {{ database_table_prefix }}
     database_socket: null
     database_charset: {{ database_charset }}
 
diff --git a/root/etc/php7/php-fpm.conf b/root/etc/php8/php-fpm.conf
similarity index 100%
rename from root/etc/php7/php-fpm.conf
rename to root/etc/php8/php-fpm.conf
diff --git a/root/etc/php7/php.ini b/root/etc/php8/php.ini
similarity index 100%
rename from root/etc/php7/php.ini
rename to root/etc/php8/php.ini
diff --git a/root/etc/s6/php-fpm/run b/root/etc/s6/php-fpm/run
index 3587136..2644262 100755
--- a/root/etc/s6/php-fpm/run
+++ b/root/etc/s6/php-fpm/run
@@ -1,3 +1,3 @@
 #!/bin/sh
 
-exec php-fpm7 -F
+exec php-fpm -F