chore: Remove VOLUME instruction from image (#3027)

Signed-off-by: Brennan Kinney <5098581+polarathene@users.noreply.github.com>

build/Dockerfile

@@ -36,5 +36,4 @@ COPY --from=builder /go/src/github.com/project-zot/zot/bin/zot-$TARGETOS-$TARGET
 COPY --from=builder /go/src/github.com/project-zot/zot/config.json /etc/zot/config.json
 ENTRYPOINT ["/usr/bin/zot"]
 EXPOSE 5000
-VOLUME ["/var/lib/registry"]
 CMD ["serve", "/etc/zot/config.json"]

build/Dockerfile-conformance

@@ -32,5 +32,4 @@ COPY --from=builder /go/src/github.com/project-zot/zot/bin/zot-$TARGETOS-$TARGET
 COPY --from=builder /go/src/github.com/project-zot/zot/config.json /etc/zot/config.json
 ENTRYPOINT ["/usr/bin/zot"]
 EXPOSE 5000
-VOLUME ["/var/lib/registry"]
 CMD ["serve", "/etc/zot/config.yaml"]

build/Dockerfile-minimal

@@ -35,5 +35,4 @@ COPY --from=builder /go/src/github.com/project-zot/zot/bin/zot-$TARGETOS-$TARGET
 COPY --from=builder /go/src/github.com/project-zot/zot/config.json /etc/zot/config.json
 ENTRYPOINT ["/usr/bin/zot"]
 EXPOSE 5000
-VOLUME ["/var/lib/registry"]
 CMD ["serve", "/etc/zot/config.json"]

build/stacker-conformance.yaml

@@ -58,8 +58,6 @@ build:
       dest: /etc/zot
   entrypoint:
     - /usr/bin/zot-linux-amd64
-  volumes:
-    - /var/lib/registry
   cmd:
     - serve
     - /etc/zot/config.json

build/stacker-minimal.yaml

@@ -57,8 +57,6 @@ build:
       dest: /etc/zot
   entrypoint:
     - /usr/local/bin/zot-${{OS}}-${{ARCH}}${{EXT:}}
-  volumes:
-    - /var/lib/registry
   cmd:
     - serve
     - /etc/zot/config.json

build/stacker.yaml

@@ -72,8 +72,6 @@ build:
       dest: /etc/zot
   entrypoint:
     - /usr/local/bin/zot-${{OS}}-${{ARCH}}
-  volumes:
-    - /var/lib/registry
   cmd:
     - serve
     - /etc/zot/config.json