Dockerized build for Ubuntu 14.04

docker/Dockerfile

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+FROM ubuntu:trusty 
+
+WORKDIR /root
+
+RUN apt-get update
+
+# Install gtk headers
+RUN apt-get install -y wget libgtk-3-dev libcairo2-dev libglib2.0-dev
+
+# Install go
+RUN wget -O go.tar.gz https://go.dev/dl/go1.17.4.linux-amd64.tar.gz; \
+tar -xf go.tar.gz;
+
+RUN apt-get install -y git build-essential clang pkg-config zip;
+
+RUN git clone https://github.com/varnamproject/govarnam.git; \
+git clone https://github.com/varnamproject/govarnam-ibus.git
+
+ENV PATH="/root/go/bin:${PATH}"
+
+WORKDIR /root/govarnam
+
+RUN CC=clang make; \
+sudo make install; \
+make release
+
+RUN mkdir -p /extract; \
+cp *.zip /extract
+
+WORKDIR /root/govarnam-ibus
+
+RUN git checkout gtk-3.10-ubuntu-14.04; \
+make ubuntu-14; \
+make release
+
+RUN cp *.zip /extract

docker/README.md

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+# Docker
+
+Builds `govarnam` & `govarnam-ibus` for Ubuntu 14.04 (GTK 3.10, glibc 2.19) & later versions:
+
+```bash
+docker build -t varnam .
+```
+
+Copy built artifacts from container using:
+```bash
+id=$(docker create varnam)
+docker cp $id:/extract/. ./
+docker rm -v $id
+```