add docker image

docker/Dockerfile

@@ -0,0 +1,14 @@
+FROM alpine:3.6
+
+RUN apk add --no-cache --update apache2-utils
+COPY docker/*_user rest-server /usr/bin/
+COPY docker/entry.sh /
+
+ENV DATA_DIRECTORY=/data
+ENV PASSWORD_FILE=/data/.htpasswd
+
+VOLUME /data
+
+EXPOSE  80
+
+ENTRYPOINT ["/entry.sh"]

docker/build.sh

@@ -0,0 +1,11 @@
+#!/bin/sh
+
+set -e
+
+echo "Build binary using golang docker image"
+docker run --rm -ti \
+    -v `pwd`:/go/src/github.com/restic/rest-server \
+    -w /go/src/github.com/restic/rest-server golang:1.8.3-alpine go run build.go
+
+echo "Build docker image restic/rest-server:latest"
+docker build --rm -t restic/rest-server:latest -f docker/Dockerfile .

docker/create_user

@@ -0,0 +1,10 @@
+#!/bin/sh
+
+if [ -z "$1" ]; then
+    echo "create_user [username]"
+    echo "or"
+    echo "create_user [username] [password]"
+    exit 1
+fi
+
+htpasswd -s $PASSWORD_FILE $1 $2

docker/delete_user

@@ -0,0 +1,8 @@
+#!/bin/sh
+
+if [ -z "$1" ]; then
+    echo "delete_user [username]"
+    exit 1
+fi
+
+htpasswd -D $PASSWORD_FILE $1

docker/entry.sh

@@ -0,0 +1,21 @@
+#!/bin/sh
+
+set -e
+
+mkdir -p $DATA_DIRECTORY
+
+if [ -z "$DISABLE_AUTHENTICATION" ]; then
+    if [ ! -f $PASSWORD_FILE ]; then
+        touch $PASSWORD_FILE
+    fi
+
+    if [ ! -s $PASSWORD_FILE ]; then
+        echo
+        echo "**WARNING** No user exists, please 'docker exec -ti \$CONTAINER_ID create_user'"
+        echo
+    fi
+else
+    rm -f $PASSWORD_FILE
+fi
+
+rest-server --listen ":80" --path $DATA_DIRECTORY