Add mongodb-tools into image for dump and restore.

Dockerfile

@@ -1,8 +1,9 @@
 FROM alpine:edge
 
-RUN apk add --no-cache mongodb
+RUN apk add --no-cache mongodb mongodb-tools
 
 VOLUME /data/db
+VOLUME /data/dump
 EXPOSE 27017 28017
 
 COPY run.sh /root

Makefile

@@ -1,4 +1,4 @@
-VERSION = 4.0.1-0
+VERSION = 4.0.1-1
 IMAGE = mvertes/alpine-mongo:$(VERSION)
 
 all:

README.md

@@ -35,6 +35,11 @@ To run a shell session:
 
     $ docker exec -ti mongo sh
 
+To dump data runing in mongo shell:
+
+    $ docker exec -ti mongo sh
+    $ mongodump -o /data/dump
+
 To use the mongo shell client:
 
 	$ docker exec -ti mongo mongo
@@ -43,6 +48,24 @@ The mongo shell client can also be run its own container:
 
 	$ docker run -ti --rm --name mongoshell mongo host:port/db
 
+## Sample docker-compose setting:
+
+```
+version: "3"
+services:
+  mgdb:
+    image: mvertes/alpine-mongo
+    volumes:
+      - "./data:/data/db"
+      - "./dump:/data/dump"
+    restart: always
+		# If you want auth start, you can add that arg.
+    # command: [ "mongod", "--bind_ip", "0.0.0.0", "--auth" ]
+    command: [ "mongod", "--bind_ip", "0.0.0.0" ]
+    ports:
+      - 27017:27017
+```
+
 ## Limitations
 
 - On MacOSX, volumes located in a virtualbox shared folder are not

run.sh

@@ -4,6 +4,7 @@
 
 # Make sure that database is owned by user mongodb
 [ "$(stat -c %U /data/db)" = mongodb ] || chown -R mongodb /data/db
+[ "$(stat -c %U /data/db)" = mongodb ] || chown -R mongodb /data/dump
 
 # Drop root privilege (no way back), exec provided command as user mongodb
 cmd=exec; for i; do cmd="$cmd '$i'"; done