Correct carlito support for cover_letter.tex at least.

Dockerfile

@@ -11,19 +11,18 @@ RUN apt update && apt install -y \
     texlive \
     texlive-science \
     texlive-lang-german \
-    fonts-crosextra-carlito \
     && apt-get --purge remove -y .\*-doc$ \
     && apt clean -y \
-    && rm -rf /var/lib/apt/lists/*
+    && rm -rf /var/lib/apt/lists/* \
+    && rm -rf /usr/share/texmf/doc/* \
+    && rm -rf /usr/share/doc/*
 
 COPY ./modules/ /usr/local/share/texmf/
-#COPY ./fonts/ /usr/share/fonts/
 
-RUN texhash
-
-#RUN cat /etc/texmf/web2c/updmap.cfg
-
-RUN updmap -sys --enable Map=carlito.map
+RUN texhash \
+    && updmap -sys --enable Map=carlito.map \
+    && updmap -sys --enable Map=bera.map \
+    && update-texmf
 
 RUN groupadd -r compiler && useradd -r -g compiler compiler
 

modules/fonts/map/dvips/bera/bera.map

+fvsr8r  BeraSans-Roman         " TeXBase1Encoding ReEncodeFont " <8r.enc <fvsr8a.pfb
+fvsro8r BeraSans-Oblique       " TeXBase1Encoding ReEncodeFont " <8r.enc <fvsro8a.pfb
+fvsb8r  BeraSans-Bold          " TeXBase1Encoding ReEncodeFont " <8r.enc <fvsb8a.pfb
+fvsbo8r BeraSans-BoldOblique   " TeXBase1Encoding ReEncodeFont " <8r.enc <fvsbo8a.pfb
+fver8r  BeraSerif-Roman        " TeXBase1Encoding ReEncodeFont " <8r.enc <fver8a.pfb
+fveb8r  BeraSerif-Bold         " TeXBase1Encoding ReEncodeFont " <8r.enc <fveb8a.pfb
+fvero8r  BeraSerif-Roman  " .167 SlantFont TeXBase1Encoding ReEncodeFont " <8r.enc <fver8a.pfb
+fvebo8r  BeraSerif-Bold   " .167 SlantFont TeXBase1Encoding ReEncodeFont " <8r.enc <fveb8a.pfb
+fvmr8r  BeraSansMono-Roman     " TeXBase1Encoding ReEncodeFont " <8r.enc <fvmr8a.pfb
+fvmro8r BeraSansMono-Oblique   " TeXBase1Encoding ReEncodeFont " <8r.enc <fvmro8a.pfb
+fvmb8r  BeraSansMono-Bold      " TeXBase1Encoding ReEncodeFont " <8r.enc <fvmb8a.pfb
+fvmbo8r BeraSansMono-BoldOb    " TeXBase1Encoding ReEncodeFont " <8r.enc <fvmbo8a.pfb