mirror of
https://github.com/thib8956/nginx-proxy
synced 2024-11-24 21:06:31 +00:00
35 lines
1.3 KiB
Bash
Executable File
35 lines
1.3 KiB
Bash
Executable File
#!/bin/bash
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set -e
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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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fi
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# Generate dhparam file if required
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# Note: if $DHPARAM_BITS is not defined, generate-dhparam.sh will use 2048 as a default
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# Note2: if $DHPARAM_GENERATION is set to false in environment variable, dh param generator will skip completely
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/app/generate-dhparam.sh $DHPARAM_BITS $DHPARAM_GENERATION
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# Compute the DNS resolvers for use in the templates - if the IP contains ":", it's IPv6 and must be enclosed in []
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export RESOLVERS=$(awk '$1 == "nameserver" {print ($2 ~ ":")? "["$2"]": $2}' ORS=' ' /etc/resolv.conf | sed 's/ *$//g')
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if [ "x$RESOLVERS" = "x" ]; then
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echo "Warning: unable to determine DNS resolvers for nginx" >&2
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unset RESOLVERS
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fi
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# If the user has run the default command and the socket doesn't exist, fail
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if [ "$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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