B426 add library for cancel (#46)

Author: jarkabaker

Dockerfile

@@ -31,23 +31,29 @@ COPY . .
 
 RUN npm run build
 
-# Stage 3: Final image
+# Stage 3: Final image with LaTeX and pandoc
 FROM public.ecr.aws/lambda/nodejs:${NODE_VERSION}
 
+# Set working directory
 WORKDIR ${LAMBDA_TASK_ROOT}
 
-# Install Latex environment and dependencies
+# Install LaTeX environment and dependencies
 RUN dnf install -y \
   texlive-collection-latexrecommended.noarch \
-  texlive-iftex.noarch
+  texlive-iftex.noarch \
+  texlive-braket.noarch \
+  texlive-cancel.noarch
 
 # Copy the LaTeX template
 COPY ./src/template.latex template.latex
 
-# Copy built files from previous stage
+# Copy built files from the previous stage
 COPY --from=builder /app/dist/* ./
+
+# Copy pandoc from the first stage
 COPY --from=pandoc /usr/bin/pandoc /usr/bin/pandoc
 
+# Set environment variables
 ENV TEXMFHOME /tmp/texmf
 ENV TEXMFCONFIG /tmp/texmf-config
 ENV TEXMFVAR /tmp/texmf-var

src/template.latex

@@ -8,6 +8,7 @@ $if(linestretch)$
 \usepackage{setspace}
 \setstretch{$linestretch$}
 $endif$
+\usepackage{cancel}
 \usepackage{amssymb,amsmath}
 \usepackage{ifxetex,ifluatex}
 \usepackage{fixltx2e} % provides \textsubscript