Merge branch 'master' into version/2.1

.dockerignore

@@ -10,3 +10,6 @@ docs/
 LICENSE
 README.md
 CHANGELOG.md
+
+Dockerfile
+.dockerignore

Dockerfile

@@ -1,21 +1,29 @@
 FROM alpine:edge
-MAINTAINER Sergey Aleksandrovich <darthsim@gmail.com>
+LABEL maintainer="Sergey Alexandrovich <darthsim@gmail.com>"
 
 ENV GOPATH /go
 ENV PATH /usr/local/go/bin:$PATH
 
-RUN mkdir /lib64 && ln -s /lib/libc.musl-x86_64.so.1 /lib64/ld-linux-x86-64.so.2
-
 ADD . /go/src/github.com/DarthSim/imgproxy
 
 RUN echo "http://dl-cdn.alpinelinux.org/alpine/edge/testing" >> /etc/apk/repositories \
-  && apk add --no-cache --update bash vips ca-certificates \
+  && apk --no-cache upgrade \
   && apk add --no-cache --virtual .build-deps go gcc musl-dev fftw-dev vips-dev \
   && cd /go/src/github.com/DarthSim/imgproxy \
   && CGO_LDFLAGS_ALLOW="-s|-w" go build -v -o /usr/local/bin/imgproxy \
   && apk del --purge .build-deps \
   && rm -rf /var/cache/apk*
 
+FROM alpine:edge
+LABEL maintainer="Sergey Alexandrovich <darthsim@gmail.com>"
+
+RUN echo "http://dl-cdn.alpinelinux.org/alpine/edge/testing" >> /etc/apk/repositories \
+  && apk --no-cache upgrade \
+  && apk add --no-cache ca-certificates bash vips \
+  && rm -rf /var/cache/apk*
+
+COPY --from=0 /usr/local/bin/imgproxy /usr/local/bin
+
 CMD ["imgproxy"]
 
 EXPOSE 8080

docs/healthcheck.md

@@ -4,4 +4,4 @@ imgproxy comes with a built-in health check HTTP endpoint at `/health`.
 
 `GET /health` returns HTTP Status `200 OK` if the server is started successfully.
 
-You can use this for readiness/liveness probe in when deploying with a container orchestration system such as Kubernetes.
+You can use this for readiness/liveness probe when deploying with a container orchestration system such as Kubernetes.

examples/signature.ex

@@ -1,7 +1,7 @@
 defmodule App.Imgproxy do
   @prefix "https://imgproxy.mybiz.xyz"
-  @key Base.decode16!("943b421c9eb07c830af81030552c86009268de4e532ba2ee2eab8247c6da0881")
+  @key Base.decode16!("943b421c9eb07c830af81030552c86009268de4e532ba2ee2eab8247c6da0881", case: :lower)
-  @salt Base.decode16!("520f986b998545b4785e0defbc4f3c1203f22de2374a3d53cb7a7fe9fea309c5")
+  @salt Base.decode16!("520f986b998545b4785e0defbc4f3c1203f22de2374a3d53cb7a7fe9fea309c5", case: :lower)
 
   def build_url(img_url, opts) do
     path = build_path(img_url, opts)

main.go

@@ -8,7 +8,7 @@ import (
 	_ "net/http/pprof"
 )
 
-const version = "2.0.1"
+const version = "2.0.2"
 
 type ctxKey string
 

process.go

@@ -341,6 +341,11 @@ func processImage(ctx context.Context) ([]byte, error) {
 			if err = vipsSmartCrop(&img, po.Width, po.Height); err != nil {
 				return nil, err
 			}
+			// Applying additional modifications after smart crop causes SIGSEGV on Alpine
+			// so we have to copy memory after it
+			if err = vipsImageCopyMemory(&img); err != nil {
+				return nil, err
+			}
 		} else {
 			left, top := calcCrop(imgWidth, imgHeight, po)
 			if err = vipsCrop(&img, left, top, po.Width, po.Height); err != nil {