Add docker build

README.md

@@ -56,6 +56,14 @@ The script has a few options described below:
 
 <small>*Note: building the win32 cursors from source is not currently supported, but it is on the roadmap.</small>
 
+### Using docker
+
+You can build cursors inside docker, if you don't have or don't want to install dependencies. Only thing you need to have is docker.
+
+```
+./build-docker.sh
+```
+
 ## Pre-built binaries
 
 Pre-built binaries are available for download at [pling.com](https://www.pling.com/p/1148692) :heart:

build-docker.sh

@@ -0,0 +1,20 @@
+#!/bin/bash
+
+docker build -t capitaine-cursors-build -<<EOF
+FROM ubuntu
+
+WORKDIR /app
+
+ENV DEBIAN_FRONTEND=noninteractive
+RUN mkdir _build; \
+    apt-get update; \
+    apt-get install -y --no-install-recommends inkscape x11-apps bc; \
+    apt-get clean -y; \
+    rm -rf /var/lib/apt/lists/* /var/cache/apt/*
+EOF
+
+docker run --rm -it \
+    --user "$(id -u):$(id -g)" \
+    --volume "${PWD}:/app" \
+    --entrypoint="./build.sh" \
+    capitaine-cursors-build "$@"