feat: update Docker configuration for improved GPU support and streamline service definitions

docker/Dockerfile

@@ -148,7 +148,7 @@ RUN for i in 1 2 3; do apt-get -o Acquire::Retries=3 update && break || sleep $(
     potrace \
     curl \
     gosu \
-    libheif-examples libheif-plugin-x265 \
+    libheif-examples \
     libimage-exiftool-perl \
     python3 python3-pip python3-venv python3-dev \
     tesseract-ocr tesseract-ocr-eng tesseract-ocr-deu tesseract-ocr-fra tesseract-ocr-spa \
@@ -157,6 +157,9 @@ RUN for i in 1 2 3; do apt-get -o Acquire::Retries=3 update && break || sleep $(
     libgl1 libglib2.0-0 \
     libegl1 libwayland-egl1 libwayland-client0 libwayland-cursor0 \
     libxkbcommon-x11-0 libxkbcommon0 libxcursor1 \
+    && if apt-cache show libheif-plugin-x265 >/dev/null 2>&1; then \
+         apt-get install -y --no-install-recommends libheif-plugin-x265; \
+       fi \
     && rm -rf /var/lib/apt/lists/*
 
 # Caire binary (content-aware seam carving)

docker/docker-compose.gpu.yml

@@ -0,0 +1,9 @@
+services:
+  ashim:
+    deploy:
+      resources:
+        reservations:
+          devices:
+            - driver: nvidia
+              count: all
+              capabilities: [gpu]

docker/docker-compose.yml

@@ -1,14 +1,17 @@
 name: ashim
 
 # Usage:
-#   CPU:   docker compose --profile cpu up -d
+#   CPU:   docker compose up -d
-#   GPU:   docker compose --profile gpu up -d
+#   GPU:   docker compose -f docker-compose.yml -f docker-compose.gpu.yml up -d
+#          (requires NVIDIA GPU + nvidia-container-toolkit; not supported on macOS)
 
-x-common: &common
+services:
+  ashim:
     build:
       context: ..
       dockerfile: docker/Dockerfile
     image: ashim:latest
+    container_name: ashim
     ports:
       - "1349:1349"
     volumes:
@@ -33,26 +36,6 @@ x-common: &common
         max-size: "10m"
         max-file: "3"
 
-services:
-  ashim:
-    <<: *common
-    container_name: ashim
-    profiles:
-      - cpu
-
-  ashim-gpu:
-    <<: *common
-    container_name: ashim-gpu
-    profiles:
-      - gpu
-    deploy:
-      resources:
-        reservations:
-          devices:
-            - driver: nvidia
-              count: all
-              capabilities: [gpu]
-
 volumes:
   ashim-data:
   ashim-workspace: