1# Copyright 2020 Google LLC
2#
3# Licensed under the Apache License, Version 2.0 (the "License");
4# you may not use this file except in compliance with the License.
5# You may obtain a copy of the License at
6#
7# http://www.apache.org/licenses/LICENSE-2.0
8#
9# Unless required by applicable law or agreed to in writing, software
10# distributed under the License is distributed on an "AS IS" BASIS,
11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12# See the License for the specific language governing permissions and
13# limitations under the License.
14
15# Use the latest stable golang 1.x to compile to a binary
16FROM golang:1 as build
17
18WORKDIR /go/src/cloudsql-proxy
19COPY . .
20
21RUN go get ./...
22RUN go build -ldflags "-X main.metadataString=container.alpine" -o cloud_sql_proxy ./cmd/cloud_sql_proxy
23
24# Final stage
25FROM alpine:3
26RUN apk add --no-cache \
27 ca-certificates \
28 libc6-compat
29# Install fuse and allow enable non-root users to mount
30RUN apk add --no-cache fuse && sed -i 's/^#user_allow_other$/user_allow_other/g' /etc/fuse.conf
31# Add a non-root user matching the nonroot user from the main container
32RUN addgroup -g 65532 -S nonroot && adduser -u 65532 -S nonroot -G nonroot
33# Set the uid as an integer for compatibility with runAsNonRoot in Kubernetes
34USER 65532
35
36COPY --from=build --chown=nonroot /go/src/cloudsql-proxy/cloud_sql_proxy /cloud_sql_proxy
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