Install pandoc and R 3.4.4 from the CRAN repository for Trusty

Dockerfile

@@ -29,6 +29,10 @@ RUN apt-get update && apt-get install -y \
     postgis \
     postgresql-client
 
+RUN apt-key adv --keyserver keyserver.ubuntu.com --recv-keys E084DAB9
+
+COPY cran_rstudio_com_bin_linux_ubuntu.list /etc/apt/sources.list.d/cran_rstudio_com_bin_linux_ubuntu.list
+
 RUN apt-get update && apt-get install -y \
     r-recommended \
     r-base \
@@ -53,6 +57,10 @@ RUN apt-get update && apt-get install -y \
     r-cran-matrix \
     jags
 
+RUN cd srv ;  wget https://github.com/jgm/pandoc/releases/download/2.2.2.1/pandoc-2.2.2.1-1-amd64.deb
+
+RUN dpkg -i /srv/pandoc-2.2.2.1-1-amd64.deb
+
 RUN apt-get update && apt-get install -y cron
 
 # copy the LatexMk file needed by knitr

cran_rstudio_com_bin_linux_ubuntu.list

@@ -0,0 +1 @@
+deb http://cran.rstudio.com/bin/linux/ubuntu trusty/