remove rootless dind

use just dind

Author: dciangot

docker/Dockerfile.sidecar-docker

@@ -7,16 +7,13 @@ RUN CGO_ENABLED=0 GOOS=linux go build -o bin/docker-sidecar cmd/main.go
 FROM bash:latest as bash-stage
 
 # Deploy the application binary into a lean image
-FROM docker:24.0-dind-rootless AS build-release-stage
+FROM docker:26.1.3-dind AS build-release-stage
 
 WORKDIR /
 
 USER root:root
 
-RUN mkdir -p /sidecar && chown -R 1000:1000 /sidecar
-
-
-USER 1000:1000
+RUN mkdir -p /sidecar
 
 COPY --from=build-stage /app/bin/docker-sidecar /sidecar/docker-sidecar
 
@@ -28,12 +25,9 @@ ENV INTERLINKCONFIGPATH=/InterLinkConfig.yaml
 ENV PATH "$PATH:/bin"
 
 #creating a simple startup script to start both docker rootless and the sidecar
-RUN echo -e '#!/bin/bash\ndockerd-entrypoint.sh & /sidecar/docker-sidecar' > /sidecar/startup-docker.sh
+RUN echo -e '#!dockerd & /sidecar/docker-sidecar' > /sidecar/startup-docker.sh
 RUN chmod +x /sidecar/startup-docker.sh
 
-#setting up the path for the docker daemon
-ENV DOCKER_HOST=unix:///run/user/1000/docker.sock
-
 WORKDIR /sidecar
 
 ENTRYPOINT ["/sidecar/startup-docker.sh"]