feat(op-acceptor): add Go binary to docker image. (#223)

Author: scharissis

op-acceptor/.goreleaser.yaml

@@ -7,7 +7,6 @@ project_name: op-acceptor
 
 before:
   hooks:
-    # You may remove this if you don't use go modules.
     - go mod tidy
 
 builds:

op-acceptor/Dockerfile

@@ -11,11 +11,23 @@ RUN just build
 
 FROM alpine:3.21
 
+# Install Go binary
+# (we copy Go directly from the builder stage for simplicity and consistency)
+COPY --from=builder /usr/local/go /usr/local/go
+ENV PATH="/usr/local/go/bin:${PATH}"
+ENV GOPATH="/go"
+ENV PATH="${GOPATH}/bin:${PATH}"
+
 WORKDIR /app
 RUN addgroup -S app && adduser -S app -G app && \
     mkdir -p /devnets && \
     chown -R app:app /devnets
 
+# Modify ownership of /go to app user (as we need write permissions)
+RUN mkdir -p /go && \
+mkdir -p /go/pkg /go/bin /go/src && \
+chown -R app:app /go
+
 COPY --from=builder /app/bin/op-acceptor /app/
 COPY op-acceptor/example-validators.yaml /app/
 USER app