Updates.

- Use newer runas script, using gosu instead of sudo.
- Added test steps to the build using the example presentation (in fact
using Docker Hub as a sort of CI).
- Use newer Golang image.
- Small corrections to README.
- More streamlined Makefile.
- Added groff to image.
- Added XeTex to image.

.dockerignore

 *
+!example/
+example/.gitignore

Dockerfile

-FROM golang:1.9-alpine as on-change
+FROM golang:1.11-alpine3.8 as on-change
 RUN apk --update add git && \
     rm -rf /var/cache/apk/* && \
     /usr/local/go/bin/go get github.com/spelufo/on-change
 
 FROM debian:stretch-slim
 COPY --from=on-change /go/bin/on-change /usr/local/bin
-RUN DEBIAN_FRONTEND=noninteractive apt-get update && \
+RUN apt-get update && \
     DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
+        fonts-font-awesome \
+        gosu \
         graphviz \
+        groff \
         lmodern \
         make \
         pandoc \
-        sudo \
         texlive-extra-utils \
         texlive-fonts-extra \
         texlive-fonts-recommended \
@@ -19,11 +21,16 @@ RUN DEBIAN_FRONTEND=noninteractive apt-get update && \
         texlive-latex-base \
         texlive-latex-extra \
         texlive-luatex \
-        texlive-publishers && \
+        texlive-publishers \
+        texlive-xetex \
+    && \
     rm -rf /tmp/* /var/tmp/* /var/lib/apt/lists/* /var/cache/apt/archives/*
 ADD [ "https://www.shore.co.il/blog/static/runas", "/entrypoint" ]
 ENTRYPOINT [ "/bin/sh", "/entrypoint" ]
+CMD [ "on-change", ".", "make" ]
 VOLUME /volume
 WORKDIR /volume
 ENV HOME /volume
-CMD [ "on-change", ".", "make" ]
+# Run a test build.
+COPY example/ /example/
+RUN make -C /example all clean

README.md

@@ -5,10 +5,10 @@ Markdown or DOT).
 
 ## Usage
 
-`docker run -itv "$PWD:/project" adarnimrod/presentation`
+`docker run --rm -itv "$PWD:/volume" adarnimrod/presentation`
 
 Will watch the current directory and run `make` whenever a file changes. One can
-add a shell alias `alias presentation='docker run -itv "$PWD:/volume"
+add a shell alias `alias presentation='docker run --rm -itv "$PWD:/volume"
 adarnimrod/presentation'` for easier use.
 
 See the example folder for more details.
@@ -20,7 +20,9 @@ See the example folder for more details.
 - [GNU Make](https://www.gnu.org/software/make/)
 - [LuaTex](http://luatex.org/)
 - [LaTeX](http://www.latex-project.org/)
+- [XeTex](http://xetex.sourceforge.net/)
 - [on-change](https://github.com/spelufo/on-change)
+- [groff](https://www.gnu.org/software/groff/)
 
 ## License
 

example/Makefile

@@ -3,10 +3,12 @@
 all: presentation.pdf
 
 presentation.pdf: diagram.pdf
-	pandoc -t beamer presentation.md -o presentation.pdf
 
-diagram.pdf: diagram.dot
-	dot diagram.dot -Tpdf > diagram.pdf
+%.pdf: %.md
+	pandoc -t beamer $< -o $@
+
+%.pdf: %.dot
+	dot $< -Tpdf > $@
 
 clean:
 	- rm *.pdf