Add Dockerfile

Dockerfile

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+# syntax=docker/dockerfile:1.7
+
+############################################
+# Stage 1: fetch source (pin to tag/sha)
+############################################
+FROM alpine:3.20 AS source
+ARG DALOREF=tags/1.3           # <-- pin to a released tag or a specific commit sha
+ARG MIRROR_URL=https://gitea.portal.tulsacounty.org/external-repos/daloradius.git
+RUN apk add --no-cache git && \
+    git clone --depth=1 --branch ${DALOREF} ${MIRROR_URL} /src
+
+############################################
+# Stage 2: runtime (PHP 8, Apache)
+############################################
+FROM php:8.3-apache
+
+ENV TZ=UTC
+# Install required libs + php-pear (for DB/Mail/Mail_Mime)
+RUN apt-get update && apt-get -y upgrade && \
+    apt-get install -y --no-install-recommends \
+      ca-certificates tzdata curl git \
+      libpng-dev libjpeg62-turbo-dev libfreetype6-dev libwebp-dev \
+      libmariadb-dev \
+      php-pear && \
+    rm -rf /var/lib/apt/lists/* && \
+    ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ >/etc/timezone && \
+    update-ca-certificates -f
+
+# Build php extensions
+RUN docker-php-ext-configure gd --with-freetype --with-jpeg && \
+    docker-php-ext-install gd mysqli pdo_mysql
+
+# PEAR packages required by daloRADIUS
+RUN pear channel-update pear.php.net && \
+    pear install -a -f DB && \
+    pear install -a -f Mail && \
+    pear install -a -f Mail_Mime
+
+# Copy app (only /app subtree is needed)
+COPY --from=source /src/app/ /var/www/html/daloradius/
+
+# Provide a template; render at entrypoint from env
+COPY --from=source /src/app/common/includes/daloradius.conf.php.sample /opt/daloradius.conf.php.tmpl
+
+# Optional Apache helper from contrib (if you like what it does), otherwise inline your own vhost
+COPY --from=source /src/contrib/scripts/apache-config.sh /usr/local/bin/apache-config.sh
+
+# Minimal hardening: proper ownership
+RUN chown -R www-data:www-data /var/www/html && \
+    chmod +x /usr/local/bin/apache-config.sh && \
+    a2enmod rewrite
+
+# Entry script renders config with env vars at runtime
+COPY <<'EOF' /entrypoint.sh
+#!/usr/bin/env bash
+set -euo pipefail
+
+: "${DBHOST:?set DBHOST}"
+: "${DBNAME:?set DBNAME}"
+: "${DBUSER:?set DBUSER}"
+: "${DBPASS:?set DBPASS}"
+
+# Render config from template (very basic; swap for envsubst/jinja as you wish)
+sed -e "s|\$configValues\['CONFIG_DB_HOST'\].*|\$configValues['CONFIG_DB_HOST']   = '${DBHOST}';|g" \
+    -e "s|\$configValues\['CONFIG_DB_USER'\].*|\$configValues['CONFIG_DB_USER']   = '${DBUSER}';|g" \
+    -e "s|\$configValues\['CONFIG_DB_PASS'\].*|\$configValues['CONFIG_DB_PASS']   = '${DBPASS}';|g" \
+    -e "s|\$configValues\['CONFIG_DB_NAME'\].*|\$configValues['CONFIG_DB_NAME']   = '${DBNAME}';|g" \
+    /opt/daloradius.conf.php.tmpl > /var/www/html/daloradius/common/includes/daloradius.conf.php
+
+# Optional Apache config from contrib
+[ -x /usr/local/bin/apache-config.sh ] && /usr/local/bin/apache-config.sh || true
+
+exec apachectl -DFOREGROUND
+EOF
+
+RUN chmod +x /entrypoint.sh
+
+EXPOSE 80
+HEALTHCHECK --interval=30s --timeout=3s --retries=5 CMD curl -fsS http://localhost/ || exit 1
+
+ENTRYPOINT ["/entrypoint.sh"]