Update app.py

app.py

@@ -33,8 +33,8 @@ class Config:
     # Directories (relative paths for container compatibility)
     PREDEFINED_TEMPLATES_DIR = "templates"
     OUTPUT_DIR = "generated_images"
-    # Assumes arial.ttf is copied into the /app directory by the Dockerfile
-    FONT_PATH = "arial.ttf"
+    # UPDATED: Use the font name "Arial". Pillow should find the system-installed font.
+    FONT_PATH = "Arial"
 
     # Predefined Template Settings
     TEMPLATE_SIZE = (1200, 900) # Expected size of predefined template canvas
@@ -76,12 +76,9 @@ except OSError as e:
     # If directories cannot be created, the app likely cannot function
     raise SystemExit(f"FATAL: Cannot create directories {Config.PREDEFINED_TEMPLATES_DIR} or {Config.OUTPUT_DIR}") from e
 
-# Check for font file availability after setup
-# FONT_PATH is relative to WORKDIR /app
-if not os.path.exists(Config.FONT_PATH):
-    logger.warning(f"Font file specified in Config ('{Config.FONT_PATH}') not found in the container's /app directory. Text rendering might use a system default font if available via fontconfig (installed via Dockerfile), or fail if Pillow finds no fallback.")
-else:
-    logger.info(f"Font file '{Config.FONT_PATH}' found.")
+# Font check is now less critical as we rely on system fonts, but Pillow will log if "Arial" can't be found.
+logger.info(f"Application will attempt to use font '{Config.FONT_PATH}' via system font discovery (fontconfig).")
+
 
 # --- Helper Functions ---
 def add_noise_to_image(img: Image.Image, intensity: float = 0.02) -> Image.Image:
@@ -152,8 +149,8 @@ def apply_template(user_image_path: str, caption: str, template_path: str) -> Op
                 font_size = Config.MAX_FONT_SIZE // 2
                 logger.debug(f"Loading font '{Config.FONT_PATH}' with size {font_size}")
                 font = ImageFont.truetype(Config.FONT_PATH, font_size)
-            except IOError:
-                logger.warning(f"Failed to load font '{Config.FONT_PATH}'. Using Pillow's default.")
+            except IOError: # This can happen if font "Arial" is not found by Pillow
+                logger.warning(f"Failed to load font '{Config.FONT_PATH}' by name. Using Pillow's default. Ensure 'ttf-mscorefonts-installer' worked in Docker and fontconfig is effective.")
                 font = ImageFont.load_default()
 
             # Wrap text according to configured width
@@ -278,8 +275,8 @@ def create_auto_template(user_image_path: str, caption: str, variant: int) -> Op
             font_size = random.randint(Config.MIN_FONT_SIZE, Config.MAX_FONT_SIZE)
             logger.debug(f"Loading font '{Config.FONT_PATH}' with size {font_size}")
             font = ImageFont.truetype(Config.FONT_PATH, font_size)
-        except IOError:
-            logger.warning(f"Failed to load font '{Config.FONT_PATH}'. Using Pillow's default.")
+        except IOError: # This can happen if font "Arial" is not found by Pillow
+            logger.warning(f"Failed to load font '{Config.FONT_PATH}' by name. Using Pillow's default. Ensure 'ttf-mscorefonts-installer' worked in Docker and fontconfig is effective.")
             font = ImageFont.load_default() # Fallback font
 
         # Wrap text