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Add nsswitch.conf to Alpine images for "netgo" #217

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Merged
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May 1, 2018
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Add nsswitch.conf to Alpine images for "netgo" #217

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8 changes: 7 additions & 1 deletion 1.10/alpine3.7/Dockerfile
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Original file line number Diff line number Diff line change
@@ -1,6 +1,12 @@
FROM alpine:3.7

RUN apk add --no-cache ca-certificates
RUN apk add --no-cache \
ca-certificates

# set up nsswitch.conf for Go's "netgo" implementation
# - https://github.com/golang/go/blob/go1.9.1/src/net/conf.go#L194-L275
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Appears unchanged in 1.10.2 (which is a good sign for this PR). 👍

# - docker run --rm debian:stretch grep '^hosts:' /etc/nsswitch.conf
RUN [ ! -e /etc/nsswitch.conf ] && echo 'hosts: files dns' > /etc/nsswitch.conf

ENV GOLANG_VERSION 1.10.2

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8 changes: 7 additions & 1 deletion 1.9/alpine3.6/Dockerfile
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Original file line number Diff line number Diff line change
@@ -1,6 +1,12 @@
FROM alpine:3.6

RUN apk add --no-cache ca-certificates
RUN apk add --no-cache \
ca-certificates

# set up nsswitch.conf for Go's "netgo" implementation
# - https://github.com/golang/go/blob/go1.9.1/src/net/conf.go#L194-L275
# - docker run --rm debian:stretch grep '^hosts:' /etc/nsswitch.conf
RUN [ ! -e /etc/nsswitch.conf ] && echo 'hosts: files dns' > /etc/nsswitch.conf

ENV GOLANG_VERSION 1.9.6

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8 changes: 7 additions & 1 deletion 1.9/alpine3.7/Dockerfile
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Original file line number Diff line number Diff line change
@@ -1,6 +1,12 @@
FROM alpine:3.7

RUN apk add --no-cache ca-certificates
RUN apk add --no-cache \
ca-certificates

# set up nsswitch.conf for Go's "netgo" implementation
# - https://github.com/golang/go/blob/go1.9.1/src/net/conf.go#L194-L275
# - docker run --rm debian:stretch grep '^hosts:' /etc/nsswitch.conf
RUN [ ! -e /etc/nsswitch.conf ] && echo 'hosts: files dns' > /etc/nsswitch.conf

ENV GOLANG_VERSION 1.9.6

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8 changes: 7 additions & 1 deletion Dockerfile-alpine.template
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Original file line number Diff line number Diff line change
@@ -1,6 +1,12 @@
FROM alpine:%%TAG%%

RUN apk add --no-cache ca-certificates
RUN apk add --no-cache \
ca-certificates

# set up nsswitch.conf for Go's "netgo" implementation
# - https://github.com/golang/go/blob/go1.9.1/src/net/conf.go#L194-L275
# - docker run --rm debian:stretch grep '^hosts:' /etc/nsswitch.conf
RUN [ ! -e /etc/nsswitch.conf ] && echo 'hosts: files dns' > /etc/nsswitch.conf

ENV GOLANG_VERSION %%VERSION%%

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