Add docker build environment

refs #4

.dockerignore

@@ -0,0 +1,13 @@
+# Ignore all
+*
+.*
+
+# Except what we need to build
+!/configure
+!/configure.ac
+!/install-sh
+!/Makefile.in
+!/snmp_bulkget.c
+!/snmp_bulkget.h
+!/utils.c
+!/utils.h

Dockerfile

@@ -0,0 +1,24 @@
+FROM debian:stable-slim as builder
+WORKDIR /src
+ENV LANG="C.UTF-8"
+ENV TERM=xterm
+ARG target=""
+ONBUILD ENV DEBIAN_FRONTEND=noninteractive
+RUN apt-get update \
+    && apt-get install -y \
+         build-essential \
+         libsnmp-dev \
+    && rm -rf /var/lib/apt/lists/*
+COPY . .
+RUN ./configure --libexecdir=/src \
+    && make $target
+
+FROM debian:stable-slim
+ONBUILD ENV DEBIAN_FRONTEND=noninteractive
+RUN apt-get update \
+    && apt-get install -y \
+         libsnmp30 \
+    && rm -rf /var/lib/apt/lists/*
+COPY --from=0 /src/check_interfaces /check_interfaces
+
+ENTRYPOINT ["/check_interfaces"]

Makefile.in

@@ -14,7 +14,7 @@ CFLAGS=@CFLAGS@ @DEFS@
 # DLFLAGS=-fPIC -shared
 BUILDLIBS=@SNMP_LIBS@ @LIBS@
 
-.PHONY: debug clean all install
+.PHONY: debug clean distclean all install
 all: build strip
 build: $(TARGET)
 
@@ -28,12 +28,11 @@ debug: CFLAGS += -DDEBUG -g -O0
 debug: LDFLAGS += -g -O0
 debug: build
 
-
 clean:
-	rm $(OBJS) $(TARGET)
+	rm -f $(OBJS) $(TARGET)
 
+distclean: clean
+	rm -f config.log config.status Makefile
 
 install: all
 	$(INSTALL) -t $(DESTDIR) $(TARGET)
-
-