From f446fc301cbf612708bde37c99920c802fec4fc9 Mon Sep 17 00:00:00 2001
From: Yaroslav K <yarikos@gmail.com>
Date: Mon, 18 May 2026 18:18:53 +0100
Subject: [PATCH] ci: add plan9port Docker image and build workflow

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
---
 .github/docker/plan9port/Dockerfile | 15 +++++++++++++++
 .github/workflows/docker.yml        | 25 +++++++++++++++++++++++++
 2 files changed, 40 insertions(+)
 create mode 100644 .github/docker/plan9port/Dockerfile
 create mode 100644 .github/workflows/docker.yml

diff --git a/.github/docker/plan9port/Dockerfile b/.github/docker/plan9port/Dockerfile
new file mode 100644
index 0000000..065b50e
--- /dev/null
+++ b/.github/docker/plan9port/Dockerfile
@@ -0,0 +1,15 @@
+FROM ubuntu:24.04
+
+ENV PLAN9=/opt/plan9port
+ENV PATH=$PLAN9/bin:$PATH
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+        git ca-certificates \
+        gcc libx11-dev libxt-dev libxext-dev libfontconfig1-dev \
+        libssl-dev pkg-config \
+    && rm -rf /var/lib/apt/lists/*
+
+RUN git clone --depth=1 https://github.com/9fans/plan9port $PLAN9 \
+    && cd $PLAN9 \
+    && ./INSTALL \
+    && rm -rf $PLAN9/.git
diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
new file mode 100644
index 0000000..4794a7d
--- /dev/null
+++ b/.github/workflows/docker.yml
@@ -0,0 +1,25 @@
+name: Docker
+
+on:
+  push:
+    branches: [master]
+    paths:
+      - .github/docker/**
+
+jobs:
+  plan9port:
+    name: Build and push plan9port image
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Log in to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          context: .github/docker/plan9port
+          push: true
+          tags: yarikk/rd-plan9port:latest