Merge pull request #1798 from marquiz/devel/docker-cache

Dockerfile: cache go modules on build

Author: k8s-ci-robot

Dockerfile

@@ -11,15 +11,17 @@ COPY api/nfd/go.mod api/nfd/go.sum /go/node-feature-discovery/api/nfd/
 
 WORKDIR /go/node-feature-discovery
 
-RUN go mod download
+RUN --mount=type=cache,target=/go/pkg/mod/ \
+    go mod download
 
 # Do actual build
 COPY . /go/node-feature-discovery
 
 ARG VERSION
 ARG HOSTMOUNT_PREFIX
 
-RUN make install VERSION=$VERSION HOSTMOUNT_PREFIX=$HOSTMOUNT_PREFIX
+RUN --mount=type=cache,target=/go/pkg/mod/ \
+    make install VERSION=$VERSION HOSTMOUNT_PREFIX=$HOSTMOUNT_PREFIX
 
 # Create full variant of the production image
 FROM ${BASE_IMAGE_FULL} AS full

Dockerfile_generator

@@ -2,7 +2,8 @@ ARG BUILDER_IMAGE
 FROM ${BUILDER_IMAGE} as builder
 
 # Install tools
-RUN go install github.com/vektra/mockery/v2@v2.42.0 && \
+RUN --mount=type=cache,target=/go/pkg/mod/ \
+    go install github.com/vektra/mockery/v2@v2.42.0 && \
     go install sigs.k8s.io/controller-tools/cmd/controller-gen@v0.14.0 && \
     go install golang.org/x/tools/cmd/goimports@v0.11.0 && \
     go install github.com/golang/protobuf/protoc-gen-go@v1.4.3