ci: add alpine dockerfile

Signed-off-by: rare-magma <rare-magma@posteo.eu>

Dockerfile.alpine

@@ -0,0 +1,53 @@
+FROM php:8-alpine
+
+# Install extensions
+RUN apk add --quiet --no-cache \
+    bash \
+    apache2 \
+    apache2-ssl \
+    php82-apache2 \
+    php82-ctype \
+    php82-openssl \
+    freetype-dev \
+    libjpeg-turbo-dev \
+    libpng-dev \
+    libpq-dev
+RUN docker-php-ext-configure gd --with-freetype=/usr/include/ --with-jpeg=/usr/include/ \
+    && docker-php-ext-configure pgsql -with-pgsql=/usr/local/pgsql \
+    && docker-php-ext-install -j$(nproc) gd pdo pdo_mysql pdo_pgsql pgsql
+RUN ln -sf /dev/stdout /var/log/apache2/access.log && \
+    ln -sf /dev/stderr /var/log/apache2/error.log
+
+# Prepare files and folders
+RUN mkdir -p /speedtest/
+
+# Copy sources
+COPY backend/ /speedtest/backend
+
+COPY results/*.php /speedtest/results/
+COPY results/*.ttf /speedtest/results/
+
+COPY *.js /speedtest/
+COPY favicon.ico /speedtest/
+
+COPY docker/servers.json /servers.json
+
+COPY docker/*.php /speedtest/
+COPY docker/entrypoint.sh /
+
+# Prepare default environment variables
+ENV TITLE=LibreSpeed
+ENV MODE=standalone
+ENV PASSWORD=password
+ENV TELEMETRY=false
+ENV ENABLE_ID_OBFUSCATION=false
+ENV REDACT_IP_ADDRESSES=false
+ENV WEBPORT=80
+ENV APACHE_DOCUMENT_ROOT=/var/www/html
+
+# https://httpd.apache.org/docs/2.4/stopping.html#gracefulstop
+STOPSIGNAL SIGWINCH
+
+# Final touches
+EXPOSE 80
+CMD ["bash", "/entrypoint.sh"]