Merge branch 'jonasjso-master-patch-94661' into 'master'

Add .gitlab-ci.yml

See merge request !6

.gitlab-ci.yml

+image: jonasjso/sfml:latest
+
+stages:
+    - build
+
+before_script:
+    - git submodule sync --recursive
+    - git submodule update --init --recursive
+
+all:
+    stage: build
+    tags:
+        - main
+    script:
+        - mkdir -p build/
+        - cmake -S . -B build/
+        - make -C build/

Dockerfile

+FROM ubuntu:latest
+
+# Bring your own SFML
+
+ENV DEBIAN_FRONTEND noninteractive
+ENV CXX g++
+
+RUN apt-get update -yq && apt-get install -y\
+	g++\
+	make\
+	git\
+	cmake\
+	libfreetype-dev\
+	libgl-dev\
+	libx11-dev\
+	libxrandr-dev\
+	libflac-dev\
+	libvorbis-dev\
+	libopenal-dev\
+	libudev-dev;
+

Makefile

@@ -16,5 +16,3 @@ all:
 	cmake --target 02-jumping-boxes -S . -B build;
 	make -C build;
 	./build/02-jumping-boxes;
-
-

README.md

@@ -20,15 +20,5 @@ _See `Makefile` for complete list of commands_
 ## System requirements
 
 ### Ubuntu and Pop!\_OS 20.04
-```
-sudo apt install \
-    cmake \
-    libfreetype-dev \
-    libgl-dev \
-    libx11-dev \
-    libxrandr-dev \
-    libflac-dev \
-    libvorbis-dev \
-    libopenal-dev \
-    libudev-dev;
-```
+
+- See requirements in the Dockerfile