From 330874a4dc12002f9021b5a0c48c83ed8f1f5b3b Mon Sep 17 00:00:00 2001
From: Michael Pilosov <consistentbayes@gmail.com>
Date: Mon, 28 Nov 2022 15:58:37 -0700
Subject: [PATCH] add files

---
 Dockerfile    | 54 +++++++++++++++++++++++++++++++++++++++++++++++++++
 Makefile      | 16 +++++++++++++++
 app.py        | 16 +++++++++++++++
 entrypoint.sh |  9 +++++++++
 stockfish     |  2 ++
 5 files changed, 97 insertions(+)
 create mode 100644 Dockerfile
 create mode 100644 Makefile
 create mode 100644 app.py
 create mode 100755 entrypoint.sh
 create mode 100755 stockfish

diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..c900e71
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,54 @@
+FROM alpine:latest AS builder
+LABEL maintainer="tomasz@chorwat.pl"
+LABEL project="https://github.com/tchorwat/stockfish"
+
+# Install dependencies
+RUN apk add --no-cache git g++ make
+
+RUN git clone --depth 1 --branch sf_15 https://github.com/official-stockfish/Stockfish.git
+
+WORKDIR /Stockfish/src
+RUN echo "arch:$( uname -m )" \
+&& case $( uname -m ) in \
+  x86_64) \
+    make build ARCH=x86-64-modern \
+  ;; \
+  aarch64) \
+    make build ARCH=armv8 \
+  ;; \
+  armv7l) \
+    make build ARCH=armv7 \
+  ;; \
+  ppc64le) \
+    make build ARCH=ppc-64 \
+  ;; \
+  *) \
+    exit 1 \
+  ;; \
+esac
+
+RUN echo "Source used to build binaries from this directory could be find at: https://github.com/official-stockfish/Stockfish/tree/sf_15" > /Stockfish/source.txt
+
+
+FROM alpine:latest
+LABEL maintainer="tomasz@chorwat.pl"
+LABEL project="https://github.com/tchorwat/stockfish"
+
+COPY ./entrypoint.sh /
+
+RUN chmod +x /entrypoint.sh \
+ && apk add --no-cache libstdc++ ucspi-tcp6 \
+ && addgroup -g 1000 stockfish \
+ && adduser -u 1000 -G stockfish -HD stockfish
+
+WORKDIR /stockfish/
+USER stockfish:stockfish
+
+COPY --chown=stockfish:stockfish --from=builder /Stockfish/src/stockfish /stockfish/
+COPY --chown=stockfish:stockfish --from=builder /Stockfish/Copying.txt /stockfish/
+COPY --chown=stockfish:stockfish --from=builder /Stockfish/source.txt /stockfish/
+COPY --chown=stockfish:stockfish --from=builder /Stockfish/src/*.nnue /stockfish/
+
+EXPOSE 23249
+ENTRYPOINT ["/entrypoint.sh"]
+
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..cd6abc1
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,16 @@
+
+start:
+	docker run -d -p 23249:23249 -p 23250:23250 --name stockfish stockfish:15
+	@echo "Stockfish is running on port 23249"
+	@echo "Interact with it using the following command (you can substitute `netcat` for `telnet`):"
+	@echo "nc localhost 23249"
+
+stop:
+	docker stop stockfish
+	docker rm stockfish
+
+build: Dockerfile
+	docker build -t stockfish:15 .
+
+run:
+	python app.py
diff --git a/app.py b/app.py
new file mode 100644
index 0000000..22b190c
--- /dev/null
+++ b/app.py
@@ -0,0 +1,16 @@
+# a chess playing application using pychess
+# use the stockfish binary to play chess
+
+import chess
+import chess.engine
+
+stockfish = chess.engine.SimpleEngine.popen_uci("./stockfish")
+
+board = chess.Board()
+
+while not board.is_game_over():
+    result = stockfish.play(board, chess.engine.Limit(time=0.1))
+    board.push(result.move)
+    print(board, "\n")
+
+stockfish.quit()
diff --git a/entrypoint.sh b/entrypoint.sh
new file mode 100755
index 0000000..a1e73c6
--- /dev/null
+++ b/entrypoint.sh
@@ -0,0 +1,9 @@
+#!/bin/sh
+set -e
+
+if [ -z "$1" ]; then
+  tcpserver -c2 0 23249 /stockfish/stockfish
+else
+  # else default to run whatever the user wanted like "bash" or "sh"
+  exec "$@"
+fi
diff --git a/stockfish b/stockfish
new file mode 100755
index 0000000..2f85608
--- /dev/null
+++ b/stockfish
@@ -0,0 +1,2 @@
+#!/bin/sh
+nc localhost 23249