fix build script

Dockerfile

@@ -1,32 +1,31 @@
 FROM alpine AS build
 
-RUN apk add --no-cache lua5.4-dev lua5.4-luv make gcc pkgconf  	util-linux-misc
+RUN apk add --no-cache lua5.4-dev lua5.4-luv build-base pkgconf util-linux-misc
 
 WORKDIR /build
 
 COPY src ./src/
 COPY lib ./lib/
 COPY Makefile ./Makefile
+COPY deps ./deps
 
 RUN ln -s /usr/lib/liblua-5.4.so.0 /usr/lib/liblua.so.5.4
-RUN make
+RUN make LUA=lua5.4
 
 FROM alpine
 
 EXPOSE 8080
 
-VOLUME /plugins
-VOLUME /views
-VOLUME /static
-VOLUME /config
+VOLUME /data
 
 STOPSIGNAL SIGINT
 
 HEALTHCHECK --interval=30s --start-period=1s CMD curl localhost:8080/.well-known/keepalive | grep "OK"
-ENTRYPOINT ./bin/website
 
-WORKDIR /app
+WORKDIR /
 
 RUN apk add --no-cache lua5.4 lua5.4-luv
 
-COPY --from=build ./bin/website .
+COPY --from=build /build/bin/website .
+
+CMD [ "./website", "./data/config.lua" ]

Makefile

@@ -42,15 +42,15 @@ compile_flags.txt:
 	printf -- '$(foreach v,$(CCARGS) $(LDARGS),\n$v)' > compile_flags.txt
 
 $(OUTPUT): $(LIBS) $(MKLUA_OUT) $(SOURCES) | $(dir $(OUTPUT))
-	$(CC) $(CCARGS) $(LDARGS) $^ -o $@
+	$(CC) $(CCARGS) $^ $(LDARGS) -o $@
 
 $(MKLUA_OUT): $(DEPS) | $(dir $(MKLUA_OUT)) $(MKLUA)
 	$(MKLUA) $(MKLUA_FLAGS) $(MKLUA_ENTRY) -o $@
 
-deps/mklua/mklua:
-
-$(MKLUA):
+deps/mklua/Makefile:
 	git submodule update --init deps/mklua
+
+$(MKLUA): deps/mklua/Makefile
 	make -C deps/mklua
 %/:
 	mkdir -p $@

src/sync/sig.lua

@@ -0,0 +1,12 @@
+--- @param sig uv.aliases.signals
+--- @param cb fun(num: uv.aliases.signals): false?
+return function (sig, cb)
+	local self = assert(uv.new_signal());
+
+	uv.signal_start(self, sig, function (num)
+		if cb(num) == false then
+			uv.signal_stop(self);
+			uv.close(self);
+		end
+	end);
+end

src/website-main.lua

@@ -2,6 +2,7 @@ require "utils.printing";
 require "template";
 require "plugin.breadcrumbs";
 require "plugin.navbar";
+local sig = require "sync.sig"
 
 local sync = require "sync";
 local tcp = require "sync.tcp";
@@ -30,8 +31,18 @@ end
 
 return require "sync.entry" (function (...)
 	-- Why a bad pipe manages to topple a whole process in unix is beyond me
-	local sigpipe = assert(uv.new_signal());
-	uv.signal_start(sigpipe, "sigpipe", function () end);
+	sig("sigpipe", function (num) end);
+	sig("sigint", function (num)
+		print "Gracefully exiting...";
+		uv.stop();
+
+		sig("sigint", function (num)
+			print "SIGINT repeated, forcefully exiting...";
+			os.exit(0);
+		end);
+
+		return false;
+	end);
 
 	local conf_file = ...;
 	local config = assert(loadfile(conf_file))();