ci: making orborus build faster

functions/onprem/orborus/Dockerfile

@@ -1,36 +1,33 @@
 FROM golang:1.22 as builder
 
-RUN mkdir /app
 WORKDIR /app
 
-COPY orborus.go /app/orborus.go
-#COPY go.mod /app/go.mod
-#COPY go.sum /app/go.sum
-RUN go mod init orborus 
+# Copy go.mod and go.sum first (if you have them)
+# This allows better caching of dependencies
+# COPY go.* ./
+RUN go mod init orborus
 
-RUN go get github.com/docker/docker/api/types 
-RUN go get github.com/docker/docker/api/types/container 
-#RUN go get github.com/docker/docker/client 
-RUN go get github.com/mackerelio/go-osstat/cpu 
-RUN go get github.com/mackerelio/go-osstat/memory 
-RUN go get github.com/satori/go.uuid 
-RUN go get github.com/shuffle/shuffle-shared 
-RUN	go get github.com/shirou/gopsutil 
-# RUN go get k8s.io/client-go
-# RUN go get k8s.io/apimachinery
+# Combine all go get commands into a single layer
+RUN go get \
+    github.com/docker/docker/api/types \
+    github.com/docker/docker/api/types/container \
+    github.com/mackerelio/go-osstat/cpu \
+    github.com/mackerelio/go-osstat/memory \
+    github.com/satori/go.uuid \
+    github.com/shuffle/shuffle-shared \
+    github.com/shirou/gopsutil
 
-RUN go get
-RUN go mod tidy 
-RUN go build
-RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o orborus .
+# Copy the rest of the code
+COPY orborus.go .
+
+RUN go mod tidy && \
+    CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o orborus .
 
 FROM alpine:3.15.0
 RUN apk add --no-cache bash tzdata
-COPY --from=builder /app/ /
-
-ENV ENVIRONMENT_NAME=Shuffle
-ENV BASE_URL=http://shuffle-backend:5001
-ENV DOCKER_API_VERSION=1.40
-ENV SHUFFLE_OPENSEARCH_URL=https://opensearch:9200
-
-CMD ["./orborus"]
+COPY --from=builder /app/orborus /
+ENV ENVIRONMENT_NAME=Shuffle \
+    BASE_URL=http://shuffle-backend:5001 \
+    DOCKER_API_VERSION=1.40 \
+    SHUFFLE_OPENSEARCH_URL=https://opensearch:9200
+CMD ["./orborus"]

functions/onprem/orborus/Dockerfile.old

@@ -0,0 +1,36 @@
+FROM golang:1.22 as builder
+
+RUN mkdir /app
+WORKDIR /app
+
+COPY orborus.go /app/orborus.go
+#COPY go.mod /app/go.mod
+#COPY go.sum /app/go.sum
+RUN go mod init orborus 
+
+RUN go get github.com/docker/docker/api/types 
+RUN go get github.com/docker/docker/api/types/container 
+#RUN go get github.com/docker/docker/client 
+RUN go get github.com/mackerelio/go-osstat/cpu 
+RUN go get github.com/mackerelio/go-osstat/memory 
+RUN go get github.com/satori/go.uuid 
+RUN go get github.com/shuffle/shuffle-shared 
+RUN	go get github.com/shirou/gopsutil 
+# RUN go get k8s.io/client-go
+# RUN go get k8s.io/apimachinery
+
+RUN go get
+RUN go mod tidy 
+RUN go build
+RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o orborus .
+
+FROM alpine:3.15.0
+RUN apk add --no-cache bash tzdata
+COPY --from=builder /app/ /
+
+ENV ENVIRONMENT_NAME=Shuffle
+ENV BASE_URL=http://shuffle-backend:5001
+ENV DOCKER_API_VERSION=1.40
+ENV SHUFFLE_OPENSEARCH_URL=https://opensearch:9200
+
+CMD ["./orborus"]