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Dockerfile

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+FROM php:apache
+
+RUN apt-get update && \
+    apt-get -y install libpng12-dev && \
+    docker-php-ext-install gd && \
+    apt-get clean all && \
+    a2enmod headers && \
+    rm -rf /usr/share/doc/* \
+           /var/cache/* \
+           /var/lib/apt/lists/*
+
+COPY src/ /var/www/html/
+RUN chown -R www-data:www-data /var/www/html/
+
+HEALTHCHECK --interval=10s \
+    CMD curl --fail "http://localhost" || exit 1