feat: gh action and dockerfile added

.github/workflows/build.yaml

@@ -0,0 +1,20 @@
+name: build
+on:
+  workflow_dispatch:
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      # - name: docker build
+      #   run : | 
+      #     docker build -t crawl:latest .
+      - name: build
+        run : |
+          docker buildx build -t crawl:latest --platform linux/i386,linux/x86_64 .
+      - name: Setup tmate session
+        uses: mxschmitt/action-tmate@v3
+

Dockerfile

@@ -0,0 +1,27 @@
+FROM alpine:3.16 as build
+
+ENV CRAWL_REPO="https://github.com/crawl/crawl.git"
+ENV APP_DEPS="bzip2 git lua-dev python3 python3-dev py3-pip py3-yaml ncurses-terminfo-base libc-utils sqlite-libs pcre-dev musl-locales lsof sudo autoconf bison build-base flex git ncurses-dev sqlite-dev zlib-dev pkgconf binutils freetype-dev libpng-dev ttf-dejavu advancecomp pngcrush libexecinfo-dev"
+
+RUN apk update && apk add --no-cache $APP_DEPS
+
+RUN git clone --filter=tree:0 ${CRAWL_REPO} /src/
+
+WORKDIR /src/crawl-ref/source
+
+# related to https://github.com/crawl/crawl/issues/2446
+RUN sed -i "/#define BACKTRACE_SUPPORTED/d" crash.cc
+RUN make install -j$(nproc) EXTERNAL_DEFINES="-lexecinfo" DESTDIR=/app/ USE_DGAMELAUNCH=y WEBTILES=y
+
+FROM python:alpine3.19
+
+COPY --from=build /app /app
+COPY --from=build /src/crawl-ref/source/util /app/util
+COPY --from=build /src/crawl-ref/source/webserver /app/webserver
+
+RUN pip install --no-cache-dir -r /app/webserver/requirements/base.py3.txt
+
+RUN cp /app/bin/crawl /app/crawl
+
+EXPOSE 8080
+CMD python /app/webserver/server.py