use base image for azure runner

Signed-off-by: Chanwit Kaewkasi <[email protected]>

runner-azure.Dockerfile

@@ -1,48 +1,16 @@
-# Build the manager binary
-FROM golang:1.20 as builder
+ARG BASE_IMAGE
+FROM $BASE_IMAGE
 
 ARG TARGETARCH
-
-RUN apt-get update && apt-get install -y unzip
-
-WORKDIR /workspace
-# Copy API and its Go module
-COPY api/ api/
-# Copy tfctl and its Go module
-COPY tfctl/ tfctl/
-
-# Copy the Go Modules manifests
-COPY go.mod go.mod
-COPY go.sum go.sum
-# cache deps before building and copying source so that we don't need to re-download as much
-# and so that source changes don't invalidate our downloaded layer
-RUN go mod download
-
-# Copy the go source
-COPY cmd/runner/main.go cmd/runner/main.go
-COPY controllers/ controllers/
-COPY mtls/ mtls/
-COPY runner/ runner/
-COPY utils/ utils/
-
-# Build
-RUN CGO_ENABLED=0 GOOS=linux GOARCH=${TARGETARCH} go build -a -o tf-runner cmd/runner/main.go
-
 ARG TF_VERSION=1.3.9
-ADD https://releases.hashicorp.com/terraform/${TF_VERSION}/terraform_${TF_VERSION}_linux_${TARGETARCH}.zip /terraform_${TF_VERSION}_linux_${TARGETARCH}.zip
-RUN unzip -q /terraform_${TF_VERSION}_linux_${TARGETARCH}.zip
 
-FROM alpine:3.18
+# Switch to root to have permissions for operations
+USER root
 
-LABEL org.opencontainers.image.source="https://github.com/weaveworks/tf-controller"
-
-RUN apk update
-
-RUN apk add --no-cache libcrypto3=3.1.2-r0 && \
-    apk add --no-cache libssl3=3.1.2-r0 && \
-    apk add --no-cache ca-certificates tini git openssh-client gnupg && \
-    apk add --no-cache libretls && \
-    apk add --no-cache busybox
+ADD https://releases.hashicorp.com/terraform/${TF_VERSION}/terraform_${TF_VERSION}_linux_${TARGETARCH}.zip /terraform_${TF_VERSION}_linux_${TARGETARCH}.zip
+RUN unzip -q /terraform_${TF_VERSION}_linux_${TARGETARCH}.zip -d /usr/local/bin/ && \
+    rm /terraform_${TF_VERSION}_linux_${TARGETARCH}.zip && \
+    chmod +x /usr/local/bin/terraform
 
 # Install az cli
 ARG AZCLI_VERSION=2.50.0
@@ -51,13 +19,7 @@ RUN apk add --no-cache py3-pip && \
 RUN pip install --upgrade pip && \
     pip install azure-cli==${AZCLI_VERSION}
 
-COPY --from=builder /workspace/tf-runner /usr/local/bin/
-COPY --from=builder /workspace/terraform /usr/local/bin/
-
-RUN addgroup --gid 65532 -S runner && adduser --uid 65532 -S runner -G runner && chmod +x /usr/local/bin/terraform
-
+# Switch back to the non-root user after operations
 USER 65532:65532
 
-ENV GNUPGHOME=/tmp
-
-ENTRYPOINT [ "/sbin/tini", "--", "tf-runner" ]
+ENV GNUPGHOME=/tmp