Adjust entrypoint to always warn on missing socket
Also chmod the entrypoint
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1aac996019
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2 changed files with 16 additions and 23 deletions
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@ -31,4 +31,4 @@ ENV DOCKER_HOST unix:///tmp/docker.sock
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VOLUME ["/etc/nginx/certs"]
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ENTRYPOINT ["/app/docker-entrypoint.sh"]
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CMD ["nginx-proxy"]
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CMD ["forego", "start", "-r"]
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37
docker-entrypoint.sh
Normal file → Executable file
37
docker-entrypoint.sh
Normal file → Executable file
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@ -1,29 +1,22 @@
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#!/bin/bash
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set -e
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check_unix_socket() {
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if [[ $DOCKER_HOST == unix://* ]]; then
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socket_file=${DOCKER_HOST#unix://}
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if ! [ -S $socket_file ]; then
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cat >&2 <<-EOT
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ERROR: you need to share your docker host socket with a volume at $socket_file
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Typically you should run your jwilder/nginx-proxy with: \`-v /var/run/docker.sock:$socket_file:ro\`
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See documentation at http://git.io/vZaGJ
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EOT
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exit 1
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fi
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# Warn if the DOCKER_HOST socket does not exist
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if [[ $DOCKER_HOST == unix://* ]]; then
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socket_file=${DOCKER_HOST#unix://}
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if ! [ -S $socket_file ]; then
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cat >&2 <<-EOT
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ERROR: you need to share your Docker host socket with a volume at $socket_file
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Typically you should run your jwilder/nginx-proxy with: \`-v /var/run/docker.sock:$socket_file:ro\`
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See the documentation at http://git.io/vZaGJ
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EOT
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socketMissing=1
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fi
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}
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################################################################################
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# check for the expected command
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if [ "$1" = 'nginx-proxy' ]; then
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check_unix_socket
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exec forego start -r
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fi
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# else default to run whatever the user wanted like "bash"
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# If the user has run the default command and the socket doesn't exist, fail
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if [ "$socketMissing" = 1 -a "$1" = forego -a "$2" = start -a "$3" = '-r' ]; then
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exit 1
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fi
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exec "$@"
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