improve image depth

caddy/Dockerfile

@@ -1,13 +1,12 @@
 FROM caddy:2-builder-alpine as builder
 
 RUN xcaddy build \
-	--with github.com/dunglas/mercure \
-	--with github.com/dunglas/mercure/caddy
+    --with github.com/dunglas/mercure \
+    --with github.com/dunglas/mercure/caddy
 
 FROM caddy:2 AS caddy
 
 WORKDIR /app
 
 COPY --from=dunglas/mercure:v0.11 /srv/public /srv/mercure-assets/
-COPY --from=builder /usr/bin/caddy /usr/bin/caddy
 COPY Caddyfile /etc/caddy/Caddyfile

php/Dockerfile

@@ -1,13 +1,16 @@
 FROM php:8.2-fpm AS symfony_php
 
-# persistent / runtime deps
+# Update apt package index and install essential utilities
 RUN apt-get update && apt-get install -y \
-		git \
-        zip
+    git \
+    zip \
 
+# Copy pre-built PHP extensions for faster builds
+COPY --from=mlocati/php-extension-installer:2.1.65 \
+    /usr/local/bin/install-php-extensions /usr/local/bin/
 COPY --from=composer:latest /usr/bin/composer /usr/bin/composer
-COPY --from=mlocati/php-extension-installer:2.1.65 /usr/bin/install-php-extensions /usr/local/bin/
 
+# Install PHP extensions using install-php-extensions
 RUN install-php-extensions \
     intl \
     zip \
@@ -18,28 +21,34 @@ RUN install-php-extensions \
     opcache \
     xdebug-^3.3
 
+# Copy healthcheck script and set permissions
 COPY docker-healthcheck.sh /usr/local/bin/docker-healthcheck
 RUN chmod +x /usr/local/bin/docker-healthcheck
 
+# Configure healthcheck with retries and timeout
 HEALTHCHECK --interval=10s --timeout=3s --retries=3 CMD ["docker-healthcheck"]
 
+# Copy PHP configuration files
 COPY php-fpm.d/zz-docker.conf /usr/local/etc/php-fpm.d/zz-docker.conf
 COPY conf.d/99-php.ini $PHP_INI_DIR/conf.d/99-php.ini
 
+# Copy custom entrypoint script and set permissions
 COPY docker-entrypoint.sh /usr/local/bin/docker-entrypoint
 RUN chmod +x /usr/local/bin/docker-entrypoint
 
+# Set environment variables for Composer, PHP configuration, and entrypoint
 ENV COMPOSER_MEMORY_LIMIT=-1 \
     COMPOSER_ALLOW_SUPERUSER=1 \
     PATH="${PATH}:/root/.composer/vendor/bin" \
     PHP_OPCACHE_VALIDATE_TIMESTAMPS=1 \
     PHP_OPCACHE_MAX_ACCELERATED_FILES=15000 \
-    PHP_OPCACHE_MEMORY_CONSUMPTION=192 \
+    PHP_OPCACHE_MEMORY_CONSUMTION=192 \
     PHP_OPCACHE_MAX_WASTED_PERCENTAGE=10 \
-    PHP_OPCACHE_PRELOAD="" \
     PHP_EXPOSE_PHP="1"
 
+# Set the working directory for application files
 WORKDIR /app
 
+# Define the entrypoint and command for starting the PHP application
 ENTRYPOINT ["docker-entrypoint"]
 CMD ["php-fpm"]