[docker] Adds Docker support

- Built on top of @lesensei's work with minor changes

.dockerignore

@@ -0,0 +1,3 @@
+out/
+html/
+*.html

Dockerfile

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+FROM pandoc/latex:latest
+
+WORKDIR /src
+# RUN apk add bash git go jq qpdf
+
+ADD https://github.com/ericchiang/pup/releases/download/v0.4.0/pup_v0.4.0_linux_amd64.zip /src/pup.zip
+ADD https://kindlegen.s3.amazonaws.com/kindlegen_linux_2.6_i386_v2_9.tar.gz /src/kindlegen/kindlegen.tar.gz
+
+RUN unzip pup.zip && \
+    mv pup /usr/bin && \
+    rm pup.zip && \
+    cd kindlegen && \
+    tar zxf kindlegen.tar.gz && \
+    mv kindlegen /usr/bin && \
+    cd .. && \
+    rm -rf kindlegen && \
+    apk add --no-cache bash jq qpdf
+
+COPY cover.pdf cover.jpg generate.sh /src/
+
+VOLUME /src/out
+
+ENTRYPOINT ["/src/generate.sh"]

README.md

@@ -5,7 +5,7 @@ Generates ebooks for The Ickabog by J.K Rowling. Original text from https://www.
 ## Dependencies:
 
 - `wget`
-- [`pup`](https://github.com/ericchiang/pup)
+- [`pup`](https://github.com/ericchiang/pup) and `jq` to parse input files
 - [`pandoc`](https://pandoc.org/) to generate EPUB and PDF files
 - `qpdf` to add cover to PDF files. (optional)
 - `kindlegen` or `calibre` installed to generate MOBI files. (optional)