feat: add custom signature image and signer details support to invoices and settings

Dockerfile

@@ -31,6 +31,7 @@ RUN apk add --no-cache \
     libpng-dev \
     libjpeg-turbo-dev \
     freetype-dev \
+    libwebp-dev \
     libxml2-dev \
     libzip-dev \
     icu-dev \
@@ -41,6 +42,7 @@ RUN apk add --no-cache \
 RUN docker-php-ext-configure gd \
         --with-freetype \
         --with-jpeg \
+        --with-webp \
     && docker-php-ext-install -j"$(nproc)" \
         pdo \
         pdo_sqlite \
@@ -105,7 +107,7 @@ RUN mkdir -p \
 RUN sed -i 's/user = www-data/user = www-data/' /usr/local/etc/php-fpm.d/www.conf 2>/dev/null || true \
     && sed -i 's/group = www-data/group = www-data/' /usr/local/etc/php-fpm.d/www.conf 2>/dev/null || true
 
-# ── OPcache tuning ───────────────────────────
+# ── PHP Tuning & Upload Limits ─────────────────
 RUN { \
     echo "opcache.enable=1"; \
     echo "opcache.memory_consumption=128"; \
@@ -115,6 +117,13 @@ RUN { \
     echo "opcache.fast_shutdown=1"; \
 } > /usr/local/etc/php/conf.d/opcache.ini
 
+RUN { \
+    echo "upload_max_filesize = 200M"; \
+    echo "post_max_size = 200M"; \
+    echo "memory_limit = 512M"; \
+    echo "max_execution_time = 300"; \
+} > /usr/local/etc/php/conf.d/uploads.ini
+
 EXPOSE 80
 
 ENTRYPOINT ["/entrypoint.sh"]