Update Dockerfile to use an entrypoint

Mimmick what Kresus is doing so that generated file are not owned by
root. Fix for #106.

doc/2.docker.md

@@ -20,7 +20,7 @@ docker build -t phyks/flatisfy .
 mkdir flatisfy
 cd flatisfy
 FLATISFY_VOLUME=$(pwd)
-docker run -it -v $FLATISFY_VOLUME:/flatisfy phyks/flatisfy sh -c "cd /home/user/app && python -m flatisfy init-config > /flatisfy/config.json"
+docker run -it -e LOCAL_USER_ID=`id -u` -v $FLATISFY_VOLUME:/flatisfy phyks/flatisfy sh -c "cd /home/user/app && python -m flatisfy init-config > /flatisfy/config.json"
 ```
 
 
@@ -35,7 +35,7 @@ docker run -it -v $FLATISFY_VOLUME:/flatisfy phyks/flatisfy sh -c "cd /home/user
 4\. Finally, run the docker image to fetch flats and serve the web UI:
 
 ```
-docker run -it -v $FLATISFY_VOLUME:/flatisfy -p 8080:8080 phyks/flatisfy
+docker run -it -e LOCAL_USER_ID=`id -u` -v $FLATISFY_VOLUME:/flatisfy -p 8080:8080 phyks/flatisfy
 ```
 
 Your Flatisfy instance is now available at `localhost:8080`!
@@ -44,7 +44,7 @@ Your Flatisfy instance is now available at `localhost:8080`!
 To fetch new housing posts, you should manually call
 
 ```
-docker run -it -v $FLATISFY_VOLUME:/flatisfy phyks/flatisfy /home/user/fetch.sh
+docker run -it -e LOCAL_USER_ID=`id -u` -v $FLATISFY_VOLUME:/flatisfy phyks/flatisfy /home/user/fetch.sh
 ```
 
 This can be done easily in a crontask on your host system, to run it typically

docker/Dockerfile

@@ -19,7 +19,7 @@ RUN curl -sL https://deb.nodesource.com/setup_8.x | bash - \
     && apt-get install -y nodejs
 
 # Install weboob's code itself.
-RUN git clone https://git.weboob.org/weboob/devel /home/user/weboob \
+RUN git clone --depth 1 https://git.weboob.org/weboob/devel /home/user/weboob \
     && cd /home/user/weboob \
     && pip install .
 
@@ -40,9 +40,14 @@ RUN mkdir -p /home/user/.local/share/flatisfy
 
 COPY ./run.sh /home/user/run.sh
 RUN chmod +x /home/user/run.sh
+
+COPY ./entrypoint.sh /home/user/entrypoint.sh
+RUN chmod +x /home/user/entrypoint.sh
+
 COPY ./update_weboob.sh /home/user/update_weboob.sh
 RUN chmod +x /home/user/update_weboob.sh
 
 # Run server.
 EXPOSE 8080
-CMD /home/user/run.sh
+ENTRYPOINT ["/home/user/entrypoint.sh"]
+CMD ["/home/user/run.sh"]

docker/entrypoint.sh

@@ -0,0 +1,20 @@
+#!/bin/bash
+set -e
+
+# Add local user
+# Either use the LOCAL_USER_ID if passed in at runtime or
+# fallback
+USER_ID=${LOCAL_USER_ID:-9001}
+
+echo "[ENTRYPOINT] Starting with UID : $USER_ID"
+usermod -u $USER_ID -o user
+export HOME=/home/user
+
+echo "[ENTRYPOINT] Setting fake values for git config..."
+git config --global user.email flatisfy@example.com
+git config --global user.name "Flatisfy Root"
+
+echo "Update Weboob..."
+/home/user/update_weboob.sh
+
+exec su user -c "$@"

docker/run.sh

@@ -1,16 +1,13 @@
 #!/bin/bash
 set -e
 
-echo "Update Weboob..."
-/home/user/update_weboob.sh
-
 echo "Building data for Flatisfy..."
 cd /home/user/app
-su user -c "python -m flatisfy build-data -v --config /flatisfy/config.json"
+python -m flatisfy build-data -v --config /flatisfy/config.json
 
 echo "Fetching new housing posts..."
 cd /home/user/app
-su user -c "python -m flatisfy import -v --config /flatisfy/config.json"
+python -m flatisfy import -v --config /flatisfy/config.json
 
 echo "Starting web UI..."
-exec su user -c "python -m flatisfy serve -v --config /flatisfy/config.json"
+python -m flatisfy serve -v --config /flatisfy/config.json

docker/update_weboob.sh

@@ -1,10 +1,6 @@
 #!/bin/bash
 set -e
 
-echo "Setting fake values for git config..."
-git config --global user.email flatisfy@example.com
-git config --global user.name "Flatisfy Root"
-
 echo "Updating Weboob..."
 cd /home/user/weboob
 git pull