From 6bc607916c96927ede73f4ef303b2fd2f9ef73e7 Mon Sep 17 00:00:00 2001
From: Vitaliy Vlasov <siphiuel@gmail.com>
Date: Tue, 6 Mar 2018 17:37:34 +0200
Subject: [PATCH] Install wkhtmltoimage for PNG generation

---
 Dockerfile  | 5 +++++
 html2png.sh | 3 +++
 2 files changed, 8 insertions(+)
 create mode 100755 html2png.sh

diff --git a/Dockerfile b/Dockerfile
index ce2947a..83164d0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -23,7 +23,12 @@ RUN lein uberjar
 FROM clojure
 WORKDIR /root/
 
+RUN apt-get update
+RUN apt-get -y install xvfb
+RUN apt-get -y install wkhtmltopdf
+
 COPY --from=builder /usr/src/app/target/uberjar/commiteth.jar .
+COPY html2png.sh .
 
 CMD [""]
 ENTRYPOINT ["/usr/bin/java", "-Duser.timezone=UTC", "-Dconf=config-test.edn", "-jar", "/root/commiteth.jar"]
diff --git a/html2png.sh b/html2png.sh
new file mode 100755
index 0000000..781d8d5
--- /dev/null
+++ b/html2png.sh
@@ -0,0 +1,3 @@
+#!/bin/bash -eu
+# need to run wkhtmltoimage in quiet mode because it misuses stdout
+xvfb-run -a -s "-screen 0 640x480x16" wkhtmltoimage -q "$@" 2>/dev/null