Add docker files

Build: docker build

.dockerignore

@@ -0,0 +1,3 @@
+honk.db*
+blob.db*
+./honk

Dockerfile

@@ -0,0 +1,17 @@
+FROM golang:1.16
+
+RUN apt update && apt install -y libsqlite3-dev && rm -rf /var/cache/apt/*
+
+RUN mkdir /honk-src
+COPY *.go docs/ toys/ vendor/ views/ /honk-src/
+
+WORKDIR /honk-src
+
+RUN make
+RUN mv ./honk /bin/honk
+
+CMD ["/bin/honk", "-datadir", "/honk-data"]
+
+COPY docker-entrypoint.sh /honk-src/docker-entrypoint.sh
+ENTRYPOINT ["/honk-src/docker-entrypoint.sh"]
+

docker-entrypoint.sh

@@ -0,0 +1,15 @@
+#!/bin/sh
+
+if [ ! -r "/honk-data/honk.db" ]; then
+	set -u
+	(
+		echo "$HONK_USERNAME"
+		echo "$HONK_PASSWORD"
+		echo "${HONK_LISTEN_ADDR:-"0.0.0.0:8080"}"
+		echo "${HONK_SERVER_HOSTNAME}"
+	) | honk -datadir "/honk-data" init
+	set +u
+fi
+
+exec $*
+