Add Docker-based dev/prod setup with zail helper scripts

docker/workspace/Dockerfile

@@ -0,0 +1,84 @@
+# docker/workspace/Dockerfile
+# Use the official PHP CLI image as the base
+FROM php:8.4-cli
+
+# Set environment variables for user and group ID
+ARG UID=1000
+ARG GID=1000
+ARG NODE_VERSION=22.0.0
+
+# Install system dependencies and build libraries
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    curl \
+    unzip \
+    libpq-dev \
+    libonig-dev \
+    libssl-dev \
+    libxml2-dev \
+    libcurl4-openssl-dev \
+    libicu-dev \
+    libzip-dev \
+    && docker-php-ext-install -j"$(nproc)" \
+        pdo_mysql \
+        pdo_pgsql \
+        pgsql \
+        opcache \
+        intl \
+        zip \
+        bcmath \
+        soap \
+    && pecl install redis xdebug \
+    && docker-php-ext-enable redis xdebug \
+    && curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer \
+    && apt-get autoremove -y && apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
+
+# Xdebug-Args
+ARG XDEBUG_ENABLED
+ARG XDEBUG_MODE
+ARG XDEBUG_HOST
+ARG XDEBUG_IDE_KEY
+ARG XDEBUG_LOG
+ARG XDEBUG_LOG_LEVEL
+
+# Configure Xdebug if enabled
+RUN if [ "${XDEBUG_ENABLED}" = "true" ]; then \
+    docker-php-ext-enable xdebug && \
+    { \
+      echo "xdebug.mode=${XDEBUG_MODE}"; \
+      echo "xdebug.idekey=${XDEBUG_IDE_KEY}"; \
+      echo "xdebug.log=${XDEBUG_LOG}"; \
+      echo "xdebug.log_level=${XDEBUG_LOG_LEVEL}"; \
+      echo "xdebug.client_host=${XDEBUG_HOST}"; \
+      echo "xdebug.start_with_request=yes"; \
+    } >> /usr/local/etc/php/conf.d/docker-php-ext-xdebug.ini ; \
+  fi
+
+# User/Gruppe anlegen
+RUN if getent group "${GID}" >/dev/null; then \
+      useradd -m -u "${UID}" -g "${GID}" -s /bin/bash www; \
+    else \
+      groupadd -g "${GID}" www && \
+      useradd -m -u "${UID}" -g www -s /bin/bash www; \
+    fi \
+    && usermod -aG sudo www \
+    && echo 'www ALL=(ALL) NOPASSWD:ALL' >> /etc/sudoers
+
+USER www
+
+# NVM + Node installieren
+RUN export NVM_DIR="$HOME/.nvm" && \
+    curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.40.0/install.sh | bash && \
+    [ -s "$NVM_DIR/nvm.sh" ] && . "$NVM_DIR/nvm.sh" && \
+    nvm install "${NODE_VERSION}" && \
+    nvm alias default "${NODE_VERSION}" && \
+    nvm use default
+
+RUN echo 'export NVM_DIR="$HOME/.nvm"' >> /home/www/.bashrc && \
+    echo '[ -s "$NVM_DIR/nvm.sh" ] && . "$NVM_DIR/nvm.sh"' >> /home/www/.bashrc && \
+    echo '[ -s "$NVM_DIR/bash_completion" ] && . "$NVM_DIR/bash_completion"' >> /home/www/.bashrc
+
+WORKDIR /var/www
+
+ENTRYPOINT []
+
+CMD ["bash"]