FROM ubuntu:22.04

ARG PLZ_DATA=Postleitzahlengebiete_-_OSM.geojson
ARG PLZ_HIGHLIGHT=contacts-zip-anonym.json
ARG IMG_BG_COLOR=#FFFFFF
ARG MAP_BG_COLOR=#4279BC
ARG MAP_ACCENT_COLOR=#DA532C

# Set up environment with dependencies
RUN apt-get update && apt-get install libblas-dev python3-pip libgeos-dev wget optipng imagemagick -y
COPY requirements.txt ./
RUN pip install -r requirements.txt

# Copy all relevant data
COPY $PLZ_DATA ./
COPY $PLZ_HIGHLIGHT ./

# Render map
COPY main.py ./
RUN python3 main.py --plz-data $PLZ_DATA --plz-highlight $PLZ_HIGHLIGHT --img-bg-color $IMG_BG_COLOR --map-bg-color $MAP_BG_COLOR --map-accent-color $MAP_ACCENT_COLOR --out /tmp/map.png

RUN convert -fuzz 5 -trim /tmp/map.png /tmp/map.png
RUN optipng -o7 /tmp/map.png

# Output map; use with "docker build -t wtf-map . && docker run wtf-map > map.png"
CMD ["cat", "/tmp/map.png"]