Update Dockerfile

Author: EchoSingh

Dockerfile

@@ -1,9 +1,29 @@
 FROM ghcr.io/xu-cheng/texlive-small:latest
 
-
+# Install system dependencies (Alpine-based)
 RUN apk add --no-cache \
     inkscape \
-    fontconfig
+    fontconfig \
+    bash
+
+# Install missing LaTeX packages using tlmgr
+RUN tlmgr install \
+    fullpage \
+    titlesec \
+    enumitem \
+    fontawesome5 \
+    babel-english \
+    tabularx \
+    fancyhdr \
+    multicol \
+    xcolor \
+    hyperref \
+    geometry \
+    scalerel \
+    xstring \
+    graphics \
+    pgf \
+    iftex
 
 WORKDIR /app