Merge pull request #13 from harukasan/feature/docker

Make enable to test on docker.

.travis.yml

@@ -10,6 +10,8 @@ env:
   - LIBWEBP_VERSION="0.4.2"
   - LIBWEBP_VERSION="0.4.3"
   - LIBWEBP_VERSION="0.5.0"
+  - LIBWEBP_VERSION="0.5.1"
+
 
 cache:
   directories:
@@ -17,16 +19,7 @@ cache:
 sudo: false
 
 before_install:
-  - >
-      test -e $HOME/cache/libwebp-${LIBWEBP_VERSION}/lib/libwebp.so || (
-      cd /tmp
-      && wget http://downloads.webmproject.org/releases/webp/libwebp-${LIBWEBP_VERSION}.tar.gz
-      && tar xf libwebp-${LIBWEBP_VERSION}.tar.gz
-      && cd libwebp-${LIBWEBP_VERSION}
-      && ./configure --prefix=$HOME/cache/libwebp-${LIBWEBP_VERSION}
-      && make
-      && make install
-      )
+  - LIBWEBP_PREFIX=$HOME/cache/libwebp-${LIBWEBP_VERSION} make libwebp
   - cd $HOME/gopath/src/github.com/harukasan/go-libwebp
   - export CGO_CFLAGS="-I $HOME/cache/libwebp-${LIBWEBP_VERSION}/include"
   - export CGO_LDFLAGS="-L $HOME/cache/libwebp-${LIBWEBP_VERSION}/lib"

Dockerfile

@@ -0,0 +1,23 @@
+FROM alpine:3.4
+
+RUN apk add --no-cache g++ make go
+
+RUN mkdir -p /tmp/go-libwebp
+COPY Makefile /tmp/go-libwebp/Makefile
+
+ENV LIBWEBP_PREFIX="/usr/local" \
+    LIBWEBP_VERSION="0.5.1"
+RUN cd /tmp/go-libwebp && make libwebp
+
+ENV GOPATH="/go" \
+    WORKDIR="/go/src/github.com/harukasan/go-libwebp" \
+    PATH="/go/bin:/usr/local/go/bin:$PATH" \
+    CGO_CFLAGS="-I /usr/local/include"  \
+    CGO_LDFLAGS="-L /usr/local/lib" \
+    LD_LIBRARY_PATH="/usr/local/lib:$LD_LIBRARY_PATH"
+
+RUN mkdir -p $WORKDIR
+VOLUME $WORKDIR
+WORKDIR $WORKDIR
+
+CMD ["make", "test"]

Makefile

@@ -0,0 +1,42 @@
+repo = github.com/harukasan/go-libwebp
+build_dir = /tmp
+cur_dir = $(shell pwd)
+libwebp_so = ${LIBWEBP_PREFIX}/lib/libwebp.so
+LIBWEBP_VERSION ?= 0.5.1
+
+all: test
+
+test:
+	go test -v $(repo)/...
+
+libwebp: $(libwebp_so)
+
+$(libwebp_so):
+	cd $(build_dir) \
+	&& wget http://downloads.webmproject.org/releases/webp/libwebp-$(LIBWEBP_VERSION).tar.gz \
+	&& tar xf libwebp-$(LIBWEBP_VERSION).tar.gz \
+	&& cd libwebp-$(LIBWEBP_VERSION) \
+	&& ./configure --prefix=$(LIBWEBP_PREFIX) \
+	&& make \
+	&& make install
+
+docker-test:
+	docker run -v $(cur_dir):/go/src/$(repo) -it go-libwebp:$(LIBWEBP_VERSION)
+
+docker-sh:
+	docker run -v $(cur_dir):/go/src/$(repo) -it go-libwebp:$(LIBWEBP_VERSION) sh
+
+docker-build:
+	docker build -t go-libwebp:$(LIBWEBP_VERSION) .
+
+docker-clean:
+	docker rm $$(docker ps -a -q -f "ancestor=go-libwebp")
+
+.PHONY: \
+	all \
+	test \
+	libwebp \
+	docker-test \
+	docker-sh \
+	docker-build \
+	docker-clean