fix: enable hadolint linter in super linter

Signed-off-by: riya-singhal31 <rsinghal@redhat.com>

Author: riya-singhal31

.github/workflows/lint-extras.yaml

@@ -23,7 +23,6 @@ jobs:
         env:
           FILTER_REGEX_EXCLUDE: >
             (.*vendor/.*)|(.*tools/vendor/.*)
-          VALIDATE_DOCKERFILE_HADOLINT: false
           VALIDATE_GO: false
           VALIDATE_JSCPD: false
           VALIDATE_KUBERNETES_KUBECONFORM: false

Dockerfile

@@ -2,7 +2,7 @@
 FROM golang:1.20 as builder
 
 # Copy the contents of the repository
-ADD . /workspace/go/src/github.com/csi-addons/kubernetes-csi-addons
+COPY . /workspace/go/src/github.com/csi-addons/kubernetes-csi-addons
 
 ENV GOPATH=/workspace/go CGO_ENABLED=0
 WORKDIR /workspace/go/src/github.com/csi-addons/kubernetes-csi-addons

build/Containerfile.sidecar

@@ -2,7 +2,7 @@
 FROM golang:1.20 as builder
 
 # Copy the contents of the repository
-ADD . /workspace/go/src/github.com/csi-addons/kubernetes-csi-addons
+COPY . /workspace/go/src/github.com/csi-addons/kubernetes-csi-addons
 
 ENV GOPATH=/workspace/go CGO_ENABLED=0
 WORKDIR /workspace/go/src/github.com/csi-addons/kubernetes-csi-addons
@@ -12,6 +12,7 @@ RUN make build
 
 # Use distroless as minimal base image to package the sidecar binary
 # Refer to https://github.com/GoogleContainerTools/distroless for more details
+# hadolint ignore=DL3007
 FROM gcr.io/distroless/static:latest
 WORKDIR /
 COPY --from=builder /workspace/go/src/github.com/csi-addons/kubernetes-csi-addons/bin/csi-addons-sidecar /usr/sbin/

build/Containerfile.tools

@@ -1,8 +1,10 @@
+# hadolint ignore=DL3007
 FROM quay.io/fedora/fedora:latest
 
-ENV GOPATH=/go \
- PATH="${GOPATH}/bin:${PATH}"
+ENV GOPATH=/go
+ENV PATH="${GOPATH}/bin:${PATH}"
 
+# hadolint ignore=DL3041
 RUN dnf -y install \
 	git \
 	make \