Merge pull request #50 from Maxr1998/master

Add Dockerfile to build the font within a clean, reproducible Docker container

.dockerignore

@@ -0,0 +1,5 @@
+add_emoji_gsub.pyc
+build
+waveflag
+
+.git/

Dockerfile

@@ -0,0 +1,20 @@
+FROM python:buster
+RUN apt update && apt install -y \
+    git \
+    zopfli \
+    libcairo2-dev
+
+# Install nototools
+RUN git clone https://github.com/googlefonts/nototools.git /nototools
+WORKDIR /nototools
+RUN pip install -r requirements.txt
+RUN pip install -e .
+
+# Create output dir
+RUN mkdir /output
+
+ADD . /blobmoji
+WORKDIR /blobmoji
+
+# Build blobmoji font
+CMD make -j $(nproc) && cp NotoColorEmoji.ttf /output/

README.md

@@ -38,6 +38,11 @@ especially if you are using zopflipng for compression.  Intermediate products
 (compressed image files, for example) will be put into a build subdirectory; the
 font will be at the top level.
 
+## Docker build
+
+Alternatively, you can also build the font within Docker through the provided Dockerfile.
+Just run `docker build . -t blobmoji && docker run --rm -it -v "$PWD/output:/output" blobmoji`. The resulting font will reside in the 'output' folder in your current working directory.
+
 ## Using NotoColorEmoji
 
 NotoColorEmoji uses the CBDT/CBLC color font format, which is supported by Android