Add Dockerfile

Dockerfile

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+FROM alpine:3.19
+
+# ENVIRONMENT
+ARG GRAV_VERSION="1.7.48"
+ARG ALPINE_VERSION="3.19"
+ARG PHP_VERSION="82"
+
+# AUTHOR
+LABEL maintainer="Raul Costa <raul@rcosta.uk>"
+LABEL description="Alpine + Nginx + PHP for Grav CMS"
+
+ENV GRAV_ROOT=/var/www/html \
+    PHP_VERSION=${PHP_VERSION} \
+    GRAV_VERSION=${GRAV_VERSION} \
+    PHP_MEMORY_LIMIT=128M \
+    UPLOAD_MAX_FILESIZE=10M \
+    POST_MAX_SIZE=10M 
+
+
+
+# INSTALLING
+RUN apk add --no-cache \
+    nginx \
+    php${PHP_VERSION} php${PHP_VERSION}-fpm php${PHP_VERSION}-opcache \
+    php${PHP_VERSION}-gd php${PHP_VERSION}-json php${PHP_VERSION}-mbstring \
+    php${PHP_VERSION}-curl php${PHP_VERSION}-iconv php${PHP_VERSION}-fileinfo \
+    php${PHP_VERSION}-xmlwriter php${PHP_VERSION}-xmlreader php${PHP_VERSION}-dom \
+    php${PHP_VERSION}-session php${PHP_VERSION}-zip php${PHP_VERSION}-tokenizer \
+    php${PHP_VERSION}-ctype php${PHP_VERSION}-openssl php${PHP_VERSION}-xml \
+    php${PHP_VERSION}-intl php${PHP_VERSION}-simplexml \ 
+    unzip curl su-exec bash
+
+
+
+# USER SETUP
+RUN adduser -D -g 'Rocky User' -u 1001 rocky
+RUN addgroup rocky tty
+
+
+# CONFIGING CONFIG FILES
+COPY config/nginx.conf /etc/nginx/nginx.conf
+COPY config/php-fpm.conf /etc/php${PHP_VERSION}/php-fpm.d/www.conf
+
+# STARTING
+COPY config/entrypoint.sh /entrypoint.sh
+RUN chmod +x /entrypoint.sh
+
+EXPOSE 80
+VOLUME ["/var/www/html"]
+
+HEALTHCHECK --interval=60s --timeout=10s --start-period=60s --retries=4 \
+    CMD curl --fail http://localhost || exit 1
+
+ENTRYPOINT ["/entrypoint.sh"]