Add lambda image

.circleci/config.yml

@@ -53,14 +53,24 @@ jobs:
             pip3 install awscli==1.16.292
             $(aws ecr get-login --no-include-email --region ${AWS_REGION} --registry-ids ${AWS_ACCOUNT_ID})
       - run:
-          name: Build and push image
+          name: Build and push main image
           command: |
             export SHORT_GIT_SHA=$(echo ${CIRCLE_SHA1} | cut -c -7)
             docker build \
               -t ${AWS_ACCOUNT_ID}.dkr.ecr.${AWS_REGION}.amazonaws.com/kubeapply:${SHORT_GIT_SHA} \
               --build-arg VERSION_REF=${SHORT_GIT_SHA} \
               .
             docker push ${AWS_ACCOUNT_ID}.dkr.ecr.${AWS_REGION}.amazonaws.com/kubeapply:${SHORT_GIT_SHA}
+      - run:
+          name: Build and push lambda image
+          command: |
+            export SHORT_GIT_SHA=$(echo ${CIRCLE_SHA1} | cut -c -7)
+            docker build \
+              -f Dockerfile.lambda \
+              -t ${AWS_ACCOUNT_ID}.dkr.ecr.${AWS_REGION}.amazonaws.com/kubeapply-lambda:${SHORT_GIT_SHA} \
+              --build-arg VERSION_REF=${SHORT_GIT_SHA} \
+              .
+            docker push ${AWS_ACCOUNT_ID}.dkr.ecr.${AWS_REGION}.amazonaws.com/kubeapply-lambda:${SHORT_GIT_SHA}
 
 workflows:
   version: 2

.dockerignore

@@ -1,4 +1,5 @@
 Dockerfile
+Dockerfile.lambda
 build
 deps
 *zip

Dockerfile

@@ -8,8 +8,6 @@ ENV SRC github.com/segmentio/kubeapply
 
 RUN apt-get update && apt-get install --yes \
     curl \
-    libbtrfs-dev \
-    libdevmapper-dev \
     wget
 
 COPY . /go/src/${SRC}
@@ -29,7 +27,6 @@ FROM ubuntu:18.04
 RUN apt-get update && apt-get install --yes \
     curl \
     git \
-    libdevmapper-dev \
     python3 \
     python3-pip
 

Dockerfile.lambda

@@ -0,0 +1,41 @@
+# Fetch or build all required binaries
+FROM golang:1.14 as builder
+
+ARG VERSION_REF
+RUN test -n "${VERSION_REF}"
+
+ENV SRC github.com/segmentio/kubeapply
+
+RUN apt-get update && apt-get install --yes \
+    curl \
+    wget
+
+COPY . /go/src/${SRC}
+RUN cd /usr/local/bin && /go/src/${SRC}/scripts/pull-deps.sh
+
+WORKDIR /go/src/${SRC}
+
+ENV CGO_ENABLED=1
+ENV GO111MODULE=on
+
+RUN make kubeapply VERSION_REF=${VERSION_REF} && \
+    cp build/kubeapply /usr/local/bin
+RUN make kubeapply-lambda VERSION_REF=${VERSION_REF} && \
+    cp build/kubeapply-lambda /usr/local/bin
+
+# Copy into final image
+FROM public.ecr.aws/lambda/go:1
+
+RUN yum install -y git
+
+RUN curl -O https://bootstrap.pypa.io/get-pip.py && python3 get-pip.py
+RUN pip3 install awscli
+
+COPY --from=builder /usr/local/bin/aws-iam-authenticator /usr/local/bin
+COPY --from=builder /usr/local/bin/helm /usr/local/bin
+COPY --from=builder /usr/local/bin/kubeval /usr/local/bin
+COPY --from=builder /usr/local/bin/kubectl /usr/local/bin
+COPY --from=builder /usr/local/bin/kubeapply /usr/local/bin
+COPY --from=builder /usr/local/bin/kubeapply-lambda /usr/local/bin
+
+CMD [ "/usr/local/bin/kubeapply-lambda" ]