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PHPFPM Docker Distroless
# Version control
.git
.gitignore
.gitattributes
# IDE and editor files
.idea
.vscode
.vs
*.swp
*.swo
*~
.DS_Store
# Testing
tests
.phpunit.result.cache
phpunit.xml
phpunit.xml.dist
.env.testing
# Development files
.editorconfig
.php_cs
.php_cs.cache
.php-cs-fixer.php
phpstan.neon
psalm.xml
rector.php
# CI/CD
.github
.gitlab-ci.yml
.travis.yml
Jenkinsfile
azure-pipelines.yml
# Documentation
README.md
CHANGELOG.md
CONTRIBUTING.md
LICENSE
*.md
docs
# Docker files (don't include in image)
Dockerfile*
docker-compose*.yml
.dockerignore
# Node modules and frontend source (we copy built assets)
node_modules
npm-debug.log
yarn-error.log
yarn.lock
package-lock.json
webpack.mix.js
vite.config.js
tailwind.config.js
postcss.config.js
resources/js
resources/css
resources/sass
# Build artifacts
build
dist
# Storage (should be mounted as volumes)
storage/app/*
storage/framework/cache/*
storage/framework/sessions/*
storage/framework/testing/*
storage/framework/views/*
storage/logs/*
!storage/app/.gitignore
!storage/app/public
!storage/framework/cache/.gitignore
!storage/framework/sessions/.gitignore
!storage/framework/testing/.gitignore
!storage/framework/views/.gitignore
!storage/logs/.gitignore
# Environment files
.env
.env.*
!.env.example
# Cache and temporary files
.cache
*.cache
tmp
temp

Laravel PHP-FPM Production Dockerfile

Features

Security

  • Distroless base image - No shell, bash, or package managers
  • Non-root user - Runs as nonroot user (UID 65532)
  • Disabled dangerous PHP functions - exec, shell_exec, system, etc.
  • Minimal attack surface - Only essential files and libraries
  • Read-only filesystem ready - All writes go to /tmp or volumes
  • Security headers - Proper session configuration

Performance

  • OPcache enabled with preloading for maximum performance
  • Multi-stage build - Optimized layer caching
  • Optimized Composer autoloader - Classmap authoritative
  • Alpine-based build stages - Smaller intermediate layers
  • Production-only dependencies - No dev packages

Size Optimization

  • Minimal final image - Distroless base
  • No unnecessary tools - No shell, debugging tools, or utilities
  • Optimized PHP extensions - Only required extensions included
  • Smart .dockerignore - Excludes tests, docs, and dev files

Prerequisites

Before building, ensure your Laravel application has:

  1. composer.json and composer.lock
  2. Proper .env.example (.env should NOT be in the image)
  3. Built frontend assets or package.json for build process

Build Instructions

# Build the image
docker build -t my-laravel-app:latest .

# Build with BuildKit (recommended for best caching)
DOCKER_BUILDKIT=1 docker build -t my-laravel-app:latest .

# Build with specific platform
docker build --platform linux/amd64 -t my-laravel-app:latest .

Running the Container

Basic Run

docker run -d \
  --name laravel-fpm \
  -p 9000:9000 \
  -v $(pwd)/storage:/var/www/html/storage \
  -e APP_KEY=your-app-key \
  -e DB_HOST=mysql \
  -e DB_DATABASE=laravel \
  -e DB_USERNAME=laravel \
  -e DB_PASSWORD=secret \
  my-laravel-app:latest

With Docker Compose

services:
  app:
    image: my-laravel-app:latest
    container_name: laravel-fpm
    restart: unless-stopped
    volumes:
      - ./storage:/var/www/html/storage
    environment:
      APP_NAME: Laravel
      APP_ENV: production
      APP_KEY: ${APP_KEY}
      APP_DEBUG: false
      APP_URL: https://yourdomain.com

      DB_CONNECTION: mysql
      DB_HOST: mysql
      DB_PORT: 3306
      DB_DATABASE: laravel
      DB_USERNAME: laravel
      DB_PASSWORD: ${DB_PASSWORD}

      CACHE_DRIVER: redis
      SESSION_DRIVER: redis
      QUEUE_CONNECTION: redis

      REDIS_HOST: redis
      REDIS_PASSWORD: null
      REDIS_PORT: 6379
    networks:
      - laravel
    depends_on:
      - mysql
      - redis
    healthcheck:
      test: ["CMD-SHELL", "/usr/local/sbin/php-fpm -t"]
      interval: 30s
      timeout: 3s
      retries: 3

  nginx:
    image: nginx:alpine
    container_name: laravel-nginx
    restart: unless-stopped
    ports:
      - "80:80"
      - "443:443"
    volumes:
      - ./nginx.conf:/etc/nginx/nginx.conf:ro
      - ./storage/app/public:/var/www/html/storage/app/public:ro
      - ./public:/var/www/html/public:ro
    networks:
      - laravel
    depends_on:
      - app

  mysql:
    image: mysql:8.0
    container_name: laravel-mysql
    restart: unless-stopped
    environment:
      MYSQL_DATABASE: laravel
      MYSQL_USER: laravel
      MYSQL_PASSWORD: ${DB_PASSWORD}
      MYSQL_ROOT_PASSWORD: ${DB_ROOT_PASSWORD}
    volumes:
      - mysql_data:/var/lib/mysql
    networks:
      - laravel

  redis:
    image: redis:7-alpine
    container_name: laravel-redis
    restart: unless-stopped
    networks:
      - laravel

networks:
  laravel:
    driver: bridge

volumes:
  mysql_data:

Kubernetes Deployment

apiVersion: apps/v1
kind: Deployment
metadata:
  name: laravel-fpm
spec:
  replicas: 3
  selector:
    matchLabels:
      app: laravel-fpm
  template:
    metadata:
      labels:
        app: laravel-fpm
    spec:
      securityContext:
        runAsNonRoot: true
        runAsUser: 65532
        fsGroup: 65532
        seccompProfile:
          type: RuntimeDefault
      containers:
      - name: php-fpm
        image: my-laravel-app:latest
        imagePullPolicy: Always
        ports:
        - containerPort: 9000
          protocol: TCP
        env:
        - name: APP_KEY
          valueFrom:
            secretKeyRef:
              name: laravel-secrets
              key: app-key
        - name: DB_HOST
          value: "mysql-service"
        - name: DB_DATABASE
          value: "laravel"
        - name: DB_USERNAME
          valueFrom:
            secretKeyRef:
              name: laravel-secrets
              key: db-username
        - name: DB_PASSWORD
          valueFrom:
            secretKeyRef:
              name: laravel-secrets
              key: db-password
        volumeMounts:
        - name: storage
          mountPath: /var/www/html/storage
        resources:
          requests:
            memory: "256Mi"
            cpu: "100m"
          limits:
            memory: "512Mi"
            cpu: "500m"
        livenessProbe:
          exec:
            command:
            - /usr/local/sbin/php-fpm
            - -t
          initialDelaySeconds: 10
          periodSeconds: 30
        readinessProbe:
          tcpSocket:
            port: 9000
          initialDelaySeconds: 5
          periodSeconds: 10
        securityContext:
          allowPrivilegeEscalation: false
          readOnlyRootFilesystem: true
          capabilities:
            drop:
            - ALL
      volumes:
      - name: storage
        persistentVolumeClaim:
          claimName: laravel-storage-pvc

Important Notes

Storage Volumes

The following directories should be mounted as volumes (not included in image):

  • /var/www/html/storage/app
  • /var/www/html/storage/framework/cache
  • /var/www/html/storage/framework/sessions
  • /var/www/html/storage/framework/views
  • /var/www/html/storage/logs

Environment Variables

All configuration should be done via environment variables. Never bake .env into the image.

Required variables:

  • APP_KEY - Laravel application key
  • APP_ENV - Set to production
  • APP_DEBUG - Set to false
  • Database credentials (DB_HOST, DB_DATABASE, DB_USERNAME, DB_PASSWORD)

Running Artisan Commands

Since there's no shell in the container, you need to exec PHP directly:

# Using docker exec
docker exec laravel-fpm php artisan migrate

# Using kubernetes
kubectl exec -it laravel-fpm-pod -- php artisan config:cache

Nginx Configuration

You'll need an Nginx container to serve static files and proxy to PHP-FPM:

server {
    listen 80;
    server_name yourdomain.com;
    root /var/www/html/public;

    index index.php index.html;

    location / {
        try_files $uri $uri/ /index.php?$query_string;
    }

    location ~ \.php$ {
        fastcgi_pass laravel-fpm:9000;
        fastcgi_index index.php;
        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
        include fastcgi_params;
    }

    location ~ /\.(?!well-known).* {
        deny all;
    }
}

Security Hardening

  1. Always use secrets management (Kubernetes Secrets, Docker Secrets, etc.)
  2. Enable read-only root filesystem in Kubernetes
  3. Use network policies to restrict pod communication
  4. Regularly scan images for vulnerabilities
  5. Use specific image tags, never :latest in production

Debugging

Since there's no shell, debugging requires:

  1. Check logs: docker logs laravel-fpm
  2. Use PHP-FPM status page at /status
  3. Use ping endpoint at /ping
  4. Monitor error logs via stderr

Image Size Comparison

  • Traditional PHP-FPM image: ~400-500MB
  • This optimized image: ~150-200MB
  • Reduction: ~60-70%

License

MIT License.

# syntax=docker/dockerfile:1.7
#############################################
# Build stage for Composer dependencies
#############################################
FROM composer:2.7 AS composer-builder
WORKDIR /app
# Copy composer files first for better layer caching
COPY composer.json composer.lock ./
# Install dependencies (production only, optimized)
RUN composer install \
--no-dev \
--no-scripts \
--no-interaction \
--prefer-dist \
--optimize-autoloader \
--no-cache
# Copy application code
COPY . .
# Generate optimized autoload files
RUN composer dump-autoload --optimize --classmap-authoritative --no-dev
#############################################
# Build stage for Node.js assets (if needed)
#############################################
FROM node:20-alpine AS node-builder
WORKDIR /app
# Copy package files
COPY package*.json ./
# Install dependencies
RUN npm ci --only=production
# Copy application code and build assets
COPY . .
RUN npm run build 2>/dev/null || true
#############################################
# Final production stage - Distroless
#############################################
FROM php:8.3-fpm-alpine AS php-base
# Install system dependencies and PHP extensions
RUN apk add --no-cache \
libpq \
libzip \
libpng \
libjpeg-turbo \
freetype \
icu-libs \
libxml2 \
&& apk add --no-cache --virtual .build-deps \
$PHPIZE_DEPS \
postgresql-dev \
libzip-dev \
libpng-dev \
libjpeg-turbo-dev \
freetype-dev \
icu-dev \
libxml2-dev \
oniguruma-dev \
&& docker-php-ext-configure gd \
--with-freetype \
--with-jpeg \
&& docker-php-ext-install -j$(nproc) \
pdo_mysql \
pdo_pgsql \
pgsql \
mysqli \
zip \
gd \
intl \
opcache \
pcntl \
bcmath \
soap \
mbstring \
&& pecl install redis-6.0.2 \
&& docker-php-ext-enable redis \
&& apk del .build-deps \
&& rm -rf /tmp/* /var/cache/apk/*
#############################################
# Final distroless stage
#############################################
FROM gcr.io/distroless/base-debian12:nonroot AS final
# Copy PHP-FPM binary and extensions from php-base
COPY --from=php-base /usr/local/sbin/php-fpm /usr/local/sbin/php-fpm
COPY --from=php-base /usr/local/etc/php /usr/local/etc/php
COPY --from=php-base /usr/local/etc/php-fpm.d /usr/local/etc/php-fpm.d
COPY --from=php-base /usr/local/lib/php /usr/local/lib/php
# Copy required shared libraries
COPY --from=php-base /lib/ld-musl-x86_64.so.1 /lib/
COPY --from=php-base /usr/lib /usr/lib
COPY --from=php-base /lib/libz.so.1 /lib/
# Set working directory
WORKDIR /var/www/html
# Copy application from composer builder
COPY --from=composer-builder --chown=nonroot:nonroot /app /var/www/html
# Copy built assets from node builder
COPY --from=node-builder --chown=nonroot:nonroot /app/public/build /var/www/html/public/build
# Copy PHP configuration for production
COPY --chown=nonroot:nonroot <<EOF /usr/local/etc/php/php.ini
[PHP]
engine = On
short_open_tag = Off
precision = 14
output_buffering = 4096
zlib.output_compression = Off
implicit_flush = Off
serialize_precision = -1
disable_functions = exec,passthru,shell_exec,system,proc_open,popen,curl_exec,curl_multi_exec,parse_ini_file,show_source
disable_classes =
max_execution_time = 30
max_input_time = 60
memory_limit = 256M
error_reporting = E_ALL & ~E_DEPRECATED & ~E_STRICT
display_errors = Off
display_startup_errors = Off
log_errors = On
error_log = /proc/self/fd/2
ignore_repeated_errors = Off
ignore_repeated_source = Off
report_memleaks = On
variables_order = "GPCS"
request_order = "GP"
register_argc_argv = Off
auto_globals_jit = On
post_max_size = 20M
auto_prepend_file =
auto_append_file =
default_mimetype = "text/html"
default_charset = "UTF-8"
include_path = ".:/usr/local/lib/php"
doc_root =
user_dir =
enable_dl = Off
file_uploads = On
upload_max_filesize = 20M
max_file_uploads = 20
allow_url_fopen = On
allow_url_include = Off
default_socket_timeout = 60
[Date]
date.timezone = UTC
[Session]
session.save_handler = files
session.save_path = "/tmp"
session.use_strict_mode = 1
session.use_cookies = 1
session.use_only_cookies = 1
session.name = PHPSESSID
session.auto_start = 0
session.cookie_lifetime = 0
session.cookie_path = /
session.cookie_domain =
session.cookie_httponly = 1
session.cookie_samesite = "Lax"
session.serialize_handler = php
session.gc_probability = 1
session.gc_divisor = 1000
session.gc_maxlifetime = 1440
[opcache]
opcache.enable = 1
opcache.enable_cli = 0
opcache.memory_consumption = 256
opcache.interned_strings_buffer = 16
opcache.max_accelerated_files = 20000
opcache.max_wasted_percentage = 10
opcache.validate_timestamps = 0
opcache.revalidate_freq = 0
opcache.save_comments = 0
opcache.fast_shutdown = 1
opcache.preload = /var/www/html/preload.php
opcache.preload_user = nonroot
EOF
# Copy PHP-FPM pool configuration
COPY --chown=nonroot:nonroot <<EOF /usr/local/etc/php-fpm.d/www.conf
[www]
user = nonroot
group = nonroot
listen = 9000
listen.owner = nonroot
listen.group = nonroot
listen.mode = 0660
pm = dynamic
pm.max_children = 20
pm.start_servers = 2
pm.min_spare_servers = 1
pm.max_spare_servers = 3
pm.max_requests = 500
pm.status_path = /status
ping.path = /ping
ping.response = pong
access.log = /proc/self/fd/2
slowlog = /proc/self/fd/2
request_slowlog_timeout = 5s
request_terminate_timeout = 30s
catch_workers_output = yes
decorate_workers_output = no
clear_env = no
security.limit_extensions = .php
php_admin_value[error_log] = /proc/self/fd/2
php_admin_flag[log_errors] = on
php_value[session.save_handler] = files
php_value[session.save_path] = /tmp
php_value[soap.wsdl_cache_dir] = /tmp
EOF
# Create opcache preload file
COPY --chown=nonroot:nonroot <<EOF /var/www/html/preload.php
<?php
if (file_exists(__DIR__ . '/vendor/autoload.php')) {
require_once __DIR__ . '/vendor/autoload.php';
}
EOF
# Set proper permissions
COPY --from=php-base --chown=nonroot:nonroot /tmp /tmp
RUN chmod -R 755 /var/www/html/storage /var/www/html/bootstrap/cache
# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=10s --retries=3 \
CMD ["/usr/local/sbin/php-fpm", "-t"]
# Use nonroot user
USER nonroot:nonroot
# Expose PHP-FPM port
EXPOSE 9000
# Start PHP-FPM
ENTRYPOINT ["/usr/local/sbin/php-fpm", "-F", "-R"]
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