问内网IP连接的GCP Cloud SQL相当于Cloud SQL Proxy

EN

# Use the official Golang image to create a build artifact.
# This is based on Debian and sets the GOPATH to /go.
# https://hub.docker.com/_/golang
FROM golang:1.13 as builder

# Create and change to the app directory.
WORKDIR /app

# Retrieve application dependencies using go modules.
# Allows container builds to reuse downloaded dependencies.
COPY go.* ./
RUN go mod download

# Copy local code to the container image.
COPY . ./

# Build the binary.
# -mod=readonly ensures immutable go.mod and go.sum in container builds.
RUN CGO_ENABLED=0 GOOS=linux go build -mod=readonly -v -o server

# Use the official Alpine image for a lean production container.
# https://hub.docker.com/_/alpine
# https://docs.docker.com/develop/develop-images/multistage-build/#use-multi-stage-builds
#FROM google/cloud-sdk
#
FROM alpine:3
RUN apk add --no-cache ca-certificates
RUN wget https://dl.google.com/cloudsql/cloud_sql_proxy.linux.amd64 -O /cloud_sql_proxy && chmod +x /cloud_sql_proxy
# Copy the binary to the production image from the builder stage.
COPY --from=builder /app/server /server
COPY --from=builder /app/start.sh /start.sh
#RUN chmod +x /start.sh

# Run the web service on container startup.
CMD ["/start.sh"]

#!/bin/sh

/cloud_sql_proxy -ip_address_types=PRIVATE --dir=/cloudsql -instances=gbl-imt-homerider-basguillaueb:us-central1:vertx=unix:socket &
/bin/sleep 1
/server