Dockerfile to use v4l2loopback

Dockerfile

@@ -0,0 +1,29 @@
+# Start with a base image that includes Go.
+FROM golang:latest
+
+# Set the working directory inside the container.
+WORKDIR /app
+
+# Copy the Go Modules manifests and fetch any dependencies.
+# (If you're not using Go Modules, you can skip this step.)
+COPY go.mod go.sum ./
+RUN go mod download
+
+# Copy the local package files to the container's workspace.
+COPY . .
+
+# Install v4l2loopback using the package manager.
+RUN apt-get update && apt-get install -y \
+    v4l2loopback-dkms \
+    v4l2loopback-utils
+
+# Load the v4l2loopback module.
+# Note: This might not be effective in some Docker environments and may require additional host configurations.
+RUN modprobe v4l2loopback
+
+# Run tests for the Go modules.
+# Here, 'go test ./...' will recursively run all tests in all subdirectories.
+RUN go test ./...
+
+# The default command can be a no-op, as the primary purpose of this Dockerfile is to run tests.
+CMD ["tail", "-f", "/dev/null"]