Update Dockerfile

Dockerfile

@@ -10,29 +10,28 @@ RUN apt-get update && \
         libxext6 \
         fontconfig \
         imagemagick \
-        ghostscript && \ # Often needed by ImageMagick for text/vector handling
+        ghostscript && \
     # Modify ImageMagick policy to be less restrictive for TextClip
-    # This comments out common restrictive policies. Be aware of security implications if image content is user-supplied.
-    # For a more targeted approach, identify the exact policy causing the block.
-    # Common paths for policy.xml: /etc/ImageMagick-6/policy.xml or /etc/ImageMagick/policy.xml
-    # The path might vary based on ImageMagick version (e.g., ImageMagick-6 or ImageMagick-7)
-    # First, find the policy file path
+    # This entire block is a single shell command executed by RUN
+    # The semicolon after the fi is important for shell syntax if followed by &&
+    # We ensure the subshell commands are properly chained with && inside the subshell
+    # and the whole subshell is one command in the RUN sequence.
     ( \
-        POLICY_FILE=$(find /etc/ImageMagick* -name policy.xml | head -n 1) && \
-        if [ -f "$POLICY_FILE" ]; then \
+        POLICY_FILE=$(find /etc/ImageMagick* -name policy.xml -print -quit 2>/dev/null) && \
+        if [ -n "$POLICY_FILE" ] && [ -f "$POLICY_FILE" ]; then \
             echo "INFO: Modifying ImageMagick policy file: $POLICY_FILE"; \
-            sed -i 's/<policy domain="coder" rights="none" pattern="PS" \/>/<!-- <policy domain="coder" rights="none" pattern="PS" \/> -->/' "$POLICY_FILE"; \
-            sed -i 's/<policy domain="coder" rights="none" pattern="PS2" \/>/<!-- <policy domain="coder" rights="none" pattern="PS2" \/> -->/' "$POLICY_FILE"; \
-            sed -i 's/<policy domain="coder" rights="none" pattern="PS3" \/>/<!-- <policy domain="coder" rights="none" pattern="PS3" \/> -->/' "$POLICY_FILE"; \
-            sed -i 's/<policy domain="coder" rights="none" pattern="EPS" \/>/<!-- <policy domain="coder" rights="none" pattern="EPS" \/> -->/' "$POLICY_FILE"; \
-            sed -i 's/<policy domain="coder" rights="none" pattern="PDF" \/>/<!-- <policy domain="coder" rights="none" pattern="PDF" \/> -->/' "$POLICY_FILE"; \
-            sed -i 's/<policy domain="coder" rights="none" pattern="XPS" \/>/<!-- <policy domain="coder" rights="none" pattern="XPS" \/> -->/' "$POLICY_FILE"; \
-            sed -i 's/<policy domain="coder" rights="none" pattern="LABEL" \/>/<!-- <policy domain="coder" rights="none" pattern="LABEL" \/> -->/' "$POLICY_FILE"; \
-            sed -i 's/<policy domain="coder" rights="none" pattern="TEXT" \/>/<!-- <policy domain="coder" rights="none" pattern="TEXT" \/> -->/' "$POLICY_FILE"; \
-            sed -i 's/<policy domain="path" rights="none" pattern="@*" \/>/<!-- <policy domain="path" rights="none" pattern="@*" \/> -->/' "$POLICY_FILE"; \
+            sed -i 's/<policy domain="coder" rights="none" pattern="PS" \/>/<!-- & -->/' "$POLICY_FILE" && \
+            sed -i 's/<policy domain="coder" rights="none" pattern="PS2" \/>/<!-- & -->/' "$POLICY_FILE" && \
+            sed -i 's/<policy domain="coder" rights="none" pattern="PS3" \/>/<!-- & -->/' "$POLICY_FILE" && \
+            sed -i 's/<policy domain="coder" rights="none" pattern="EPS" \/>/<!-- & -->/' "$POLICY_FILE" && \
+            sed -i 's/<policy domain="coder" rights="none" pattern="PDF" \/>/<!-- & -->/' "$POLICY_FILE" && \
+            sed -i 's/<policy domain="coder" rights="none" pattern="XPS" \/>/<!-- & -->/' "$POLICY_FILE" && \
+            sed -i 's/<policy domain="coder" rights="none" pattern="LABEL" \/>/<!-- & -->/' "$POLICY_FILE" && \
+            sed -i 's/<policy domain="coder" rights="none" pattern="TEXT" \/>/<!-- & -->/' "$POLICY_FILE" && \
+            sed -i 's/<policy domain="path" rights="none" pattern="@*" \/>/<!-- & -->/' "$POLICY_FILE" && \
             echo "INFO: ImageMagick policy potentially updated."; \
         else \
-            echo "WARNING: ImageMagick policy.xml not found. TextClip might fail."; \
+            echo "WARNING: ImageMagick policy.xml not found or find command failed. TextClip might fail."; \
         fi \
     ) && \
     apt-get clean && \