Add a linux build target to build inside a container

Dockerfile

@@ -0,0 +1,26 @@
+# Use a base image with the required build tools installed.
+FROM ubuntu:latest
+
+# Install build essentials and OBS Studio development libraries.
+RUN apt-get update && apt-get install -y \
+    build-essential \
+    pkg-config \
+    cmake \
+    git \
+    libobs-dev
+
+RUN apt-get install -y qt6-base-dev qt6-declarative-dev qt6-tools-dev
+
+# Copy the plugin source code into the container.
+COPY . /plugin
+
+# Set the working directory to the plugin's source code.
+WORKDIR /plugin
+
+ENV QT_INCLUDE /usr/include/x86_64-linux-gnu/qt6
+ENV QT_LIB /usr/lib/x86_64-linux-gnu/qt6
+ENV OBS_LIB /usr/lib/x86_64-linux-gnu
+
+# Specify the default command to build the plugin.
+CMD ["make"]
+

Makefile

@@ -67,3 +67,6 @@ clean:
 .PHONY: uninstall
 uninstall:
 	rm -r $(HOME)/.config/obs-studio/plugins/InstantReplay
+
+include build.mk
+

build.mk

@@ -0,0 +1,3 @@
+build:
+	docker build -t obs-plugin-builder .
+	docker run --rm -v "$(PWD)":/plugin obs-plugin-builder