deploy to aws as a layer

.gitignore

@@ -1,2 +1,5 @@
 build
 result
+.samcli
+layer.zip
+output.yaml

Makefile

@@ -21,3 +21,23 @@ bash:
 
 all libs: 
 	$(DOCKER) $(MOUNTS) --entrypoint /usr/bin/make -t $(DOCKER_IMAGE) TARGET_DIR=$(TARGET) -f ../Makefile_ImageMagick $@
+
+
+STACK_NAME ?= imagemagick-layer 
+
+result/bin/identify: all
+
+layer.zip: result/bin/identify
+	# imagemagick has a ton of symlinks, and just using the source dir in the template
+	# would cause all these to get packaged as individual files. 
+	# (https://github.com/aws/aws-cli/issues/2900) 
+	#
+	# This is why we zip outside, using -y to store them as symlinks
+
+	cd result && zip -ry ../layer.zip *
+
+output.yaml: template.yaml result/bin/identify
+	aws cloudformation package --template $< --s3-bucket $(DEPLOYMENT_BUCKET) --output-template-file $@
+
+deploy: output.yaml
+	aws cloudformation deploy --template $< --stack-name $(STACK_NAME)

Makefile_ImageMagick

@@ -129,7 +129,7 @@ LIBS:=$(CACHE_DIR)/lib/libjpeg.a \
 	$(CACHE_DIR)/lib/libbz2.a \
 	$(CACHE_DIR)/lib/libwebp.a
 
-$(CACHE_DIR)/bin/identify: $(IMAGE_MAGICK_SOURCE) $(LIBS)
+$(TARGET_DIR)/bin/identify: $(IMAGE_MAGICK_SOURCE) $(LIBS)
 	tar xf $<
 	cd ImageMa*
 	PKG_CONFIG_PATH=$(CACHE_DIR)/lib/pkgconfig \
@@ -152,4 +152,4 @@ $(CACHE_DIR)/bin/identify: $(IMAGE_MAGICK_SOURCE) $(LIBS)
 
 libs: $(LIBS)
 
-all: $(CACHE_DIR)/bin/identify
+all: $(TARGET_DIR)/bin/identify

README.md

@@ -34,7 +34,7 @@ Modify the versions of libraries or ImageMagick directly in [`Makefile_ImageMagi
 * `make bash` to open an interactive shell with all the build directories mounted
 * `make libs` to make only the libraries, useful to test building additional libraries without building ImageMagick itself
 
-## Bundled libraries
+### Bundled libraries
 
 This is not a full-blown ImageMagick setup you can expect on a regular Linux box, it's a slimmed down version to save space that works with the most common formats. You can add more formats by including another library into the build process in [`Makefile_ImageMagick`](Makefile_ImageMagick).
 
@@ -44,6 +44,15 @@ This is not a full-blown ImageMagick setup you can expect on a regular Linux box
 * openjpeg2
 * libwebp
 
+## Deploying to AWS as a layer
+
+* `make deploy DEPLOYMENT_BUCKET=<YOUR BUCKET NAME>`
+
+### configuring the deployment
+
+By default, this uses imagemagick-layer as the stack name. Provide a `STACK_NAME` variable when
+calling `make deploy` to use an alternative name.
+
 ## Info on scripts
 
 For more information, check out:

template.yaml

@@ -0,0 +1,20 @@
+Transform: AWS::Serverless-2016-10-31
+Resources:
+  ImageMagickLayer:
+    Type: AWS::Serverless::LayerVersion
+    Properties:
+      LayerName: image-magick
+      Description: >
+
+        Static build of ImageMagick for AWS Linux 2,
+        including convert, mogrify and identify tools
+        and support for jpeg, gif, png, tiff and webm formats.
+
+        Check out https://github.com/serverlesspub/imagemagick-aws-lambda-2
+        for more information.
+
+      ContentUri: layer.zip
+      CompatibleRuntimes:
+        - nodejs10.x
+      LicenseInfo: https://imagemagick.org/script/license.php
+      RetentionPolicy: Retain