diff --git a/Dockerfile b/Dockerfile
index 8448c25..0bded06 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,11 +1,11 @@
-FROM base/archlinux:latest
+FROM archlinux/base:latest
 
 RUN echo "en_US.UTF-8 UTF-8" > /etc/locale.gen && locale-gen
 
 ENV LC_ALL=en_US.UTF-8 \
     LANG=en_US.UTF-8
 
-RUN pacman -Syy --noconfirm
+RUN pacman -Syu --noconfirm
 
 RUN pacman -S --noconfirm reflector && reflector --verbose -l 200 -p http --sort rate --save /etc/pacman.d/mirrorlist
 
@@ -19,4 +19,8 @@ COPY requirements.txt /tmp/requirements.txt
 
 RUN pip3 install -r /tmp/requirements.txt
 
-ADD docker/confd /etc/confd
\ No newline at end of file
+ADD docker/confd /etc/confd
+
+COPY ./GeoIPCity.dat /tmp/
+
+RUN mkdir -p /usr/share/GeoIP/ && mv /tmp/GeoIPCity.dat /usr/share/GeoIP/GeoIPCity.dat
diff --git a/GeoIPCity.dat b/GeoIPCity.dat
new file mode 100644
index 0000000..c165cc2
Binary files /dev/null and b/GeoIPCity.dat differ
diff --git a/Makefile b/Makefile
index c442e4b..c730062 100644
--- a/Makefile
+++ b/Makefile
@@ -7,7 +7,7 @@ basenc:
 	docker build -t medved_base . --no-cache
 
 up:
-	docker-compose up
+	docker-compose up --scale worker=$(workers)
 
 upd:
 	docker-compose up -d
diff --git a/README.md b/README.md
index 26ba063..3854d69 100644
--- a/README.md
+++ b/README.md
@@ -1,9 +1,7 @@
-# medved
-alpha beta whatever 
-partly works
+# Medved
+This is extensible network scanner (Masscan-based).
 
-
-## configuration
+## Configuration
 
 `data/config.yaml`
 ```
@@ -140,13 +138,19 @@ logging:
   Storage: DEBUG
   Loader: DEBUG
 ```
-probably it can be launched with docker, however I didn't test it yet
 
-run `make base && docker-compose up --build --scale worker=5`
+## Requirements
+* `docker >=18.09`
+* `docker-composer >=1.24`
 
-or simply `python medved.py`
+## Building Docker image
 
-you'll need working redis and mongodb for default configuration
+Run `make base && docker-compose up --build --scale worker=5`
+
+## Running
+
+Run `make up workers=5`  
+This launches a scanner with 5 workers.
 
 ## top-level services
 
diff --git a/docker/core/Dockerfile b/docker/core/Dockerfile
index 7f472b6..3849b46 100644
--- a/docker/core/Dockerfile
+++ b/docker/core/Dockerfile
@@ -7,10 +7,6 @@ RUN git clone https://github.com/robertdavidgraham/masscan && \
     make -j && \
     mv bin/masscan /bin/masscan
 
-RUN wget -N http://geolite.maxmind.com/download/geoip/database/GeoLiteCity.dat.gz && gunzip GeoLiteCity.dat.gz
-
-RUN mkdir -p /usr/share/GeoIP/ && mv GeoLiteCity.dat /usr/share/GeoIP/GeoIPCity.dat
-
 ADD files/torrc /etc/tor/torrc
 
 ADD files/run.sh /tmp/run.sh
diff --git a/docker/worker/Dockerfile b/docker/worker/Dockerfile
index 7d8c4dd..4985413 100644
--- a/docker/worker/Dockerfile
+++ b/docker/worker/Dockerfile
@@ -7,10 +7,6 @@ RUN git clone https://github.com/robertdavidgraham/masscan && \
     make -j && \
     mv bin/masscan /usr/bin/masscan
 
-RUN wget -N http://geolite.maxmind.com/download/geoip/database/GeoLiteCity.dat.gz && gunzip GeoLiteCity.dat.gz
-
-RUN mkdir -p /usr/share/GeoIP/ && mv GeoLiteCity.dat /usr/share/GeoIP/GeoIPCity.dat
-
 ADD files/run.sh /tmp/run.sh
 
 CMD ["/tmp/run.sh"]