diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 0000000..36c0c9e
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,6 @@
+*.sqlite*
+*.pyc
+*local_settings.*
+Dockerfile
+README.md
+LICENSE
diff --git a/Dockerfile b/Dockerfile
index 9534ab2..ba2da75 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,8 +1,25 @@
-FROM ubuntu:latest
-EXPOSE 8000
-RUN apt-get update && apt-get upgrade -y && apt-get install -y python3 python3-pip
-COPY . /home/python
+FROM python:3-alpine as builder
+
 WORKDIR /home/python
-RUN pip3 install -r requirements.txt
-RUN python3 manage.py migrate
-ENTRYPOINT python3 manage.py runserver 0.0.0.0:8000
+
+RUN apk add --no-cache zlib-dev build-base python-dev jpeg-dev
+RUN pip install virtualenv
+RUN virtualenv venv
+
+ADD requirements.txt /home/python/
+RUN venv/bin/pip install --no-cache-dir -r requirements.txt
+RUN virtualenv --relocatable venv/
+
+ADD . /home/python/
+RUN venv/bin/python manage.py migrate
+
+FROM python:3-alpine
+
+WORKDIR /home/python
+COPY --from=builder /home/python /home/python
+COPY --from=builder /lib /lib
+COPY --from=builder /usr/lib /usr/lib
+
+ENTRYPOINT ["venv/bin/python"]
+ENV DJANGO_SETTINGS_MODULE=get_together.environ_settings
+CMD ["manage.py", "runserver", "0.0.0.0:8000"]
diff --git a/README.md b/README.md
index f7fc949..f7eeb5d 100644
--- a/README.md
+++ b/README.md
@@ -66,7 +66,7 @@ file):
 ### Using the docker container
 ```
 docker build -t get_together .
-docker run -d --name get_together -p 8000:8000 get_together
+docker run -e "DEBUG_MODE=True" -e "SECRET_KEY=xxxxx" -e "ALLOWED_HOSTS=localhost,127.0.0.1" -d --name get_together -p 8000:8000 get_together
 docker exec -it get_together python3 manage.py createsuperuser
 ```
 
diff --git a/get_together/views/__init__.py b/get_together/views/__init__.py
index 1d5c972..9d724a3 100644
--- a/get_together/views/__init__.py
+++ b/get_together/views/__init__.py
@@ -60,7 +60,7 @@ def home(request, *args, **kwards):
         context['city_search'] = False
         try:
             g = location.get_geoip(request)
-            if g.latlng is not None and g.latlng[0] is not None and g.latlng[1] is not None:
+            if g.latlng is not None and len(g.latlng) >= 2 and g.latlng[0] is not None and g.latlng[1] is not None:
                 ll = g.latlng
                 context['geoip_lookup'] = True