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+# Docker image for TYPO3 CMS
+# Copyright (C) 2016-2020  Martin Helmich <martin@helmich.me>
+#                          and contributors <https://github.com/martin-helmich/docker-typo3/graphs/contributors>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+FROM php:7.4-apache-buster
+LABEL maintainer="Martin Helmich <typo3@martin-helmich.de>"
+
+# Install TYPO3
+RUN apt-get update && \
+    apt-get upgrade -y && \
+    apt-get install -y --no-install-recommends \
+        wget \
+# Configure PHP
+        libxml2-dev libfreetype6-dev \
+        libjpeg62-turbo-dev \
+        libmcrypt-dev \
+        libpng-dev \
+        libpq-dev \
+        libzip-dev \
+        zlib1g-dev \
+# Install required 3rd party tools
+        graphicsmagick && \
+# Configure extensions
+    docker-php-ext-configure gd --with-libdir=/usr/include/ --with-jpeg --with-freetype && \
+    docker-php-ext-install -j$(nproc) mysqli soap gd zip opcache intl pgsql pdo_pgsql && \
+    echo 'always_populate_raw_post_data = -1\nmax_execution_time = 240\nmax_input_vars = 1500\nupload_max_filesize = 32M\npost_max_size = 32M' > /usr/local/etc/php/conf.d/typo3.ini && \
+# Configure Apache as needed
+    a2enmod rewrite && \
+    apt-get clean && \
+    apt-get -y purge \
+        libxml2-dev libfreetype6-dev \
+        libjpeg62-turbo-dev \
+        libmcrypt-dev \
+        libpng-dev \
+        libzip-dev \
+        zlib1g-dev && \
+    rm -rf /var/lib/apt/lists/* /usr/src/*
+
+RUN cd /var/www/html && \
+    wget -O download.tar.gz https://get.typo3.org/10.4.21 && \
+    echo "bfd691eecc88908b2937ae793d658029c45f36d490c16626fee06440c2ae6d5d download.tar.gz" > download.tar.gz.sum && \
+    sha256sum -c download.tar.gz.sum && \
+    tar -xzf download.tar.gz && \
+    rm download.* && \
+    ln -s typo3_src-* typo3_src && \
+    ln -s typo3_src/index.php && \
+    ln -s typo3_src/typo3 && \
+    cp typo3/sysext/install/Resources/Private/FolderStructureTemplateFiles/root-htaccess .htaccess && \
+    mkdir typo3temp && \
+    mkdir typo3conf && \
+    mkdir fileadmin && \
+    mkdir uploads && \
+    touch FIRST_INSTALL && \
+    chown -R www-data. .
+
+# Configure volumes
+VOLUME /var/www/html/fileadmin
+VOLUME /var/www/html/typo3conf
+VOLUME /var/www/html/typo3temp
+VOLUME /var/www/html/uploads