8000 feat: support docker file-based secrets by burmecia · Pull Request #336 · supabase/postgres-meta · GitHub
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feat: support docker file-based secrets #336

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feat: support docker file-based secrets #336

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1 change: 1 addition & 0 deletions Dockerfile
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Original file line number Diff line number Diff line change
Expand Up @@ -13,5 +13,6 @@ COPY --from=build /usr/src/app/node_modules node_modules
COPY --from=build /usr/src/app/bin bin
COPY package.json ./
ENV PG_META_PORT=8080
ENTRYPOINT ["docker-entrypoint.sh"]
CMD ["npm", "run", "start"]
EXPOSE 8080
30 changes: 30 additions & 0 deletions docker-entrypoint.sh
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@@ -0,0 +1,30 @@
#!/usr/bin/env bash
set -Eeuo pipefail

# usage: file_env VAR [DEFAULT]
# ie: file_env 'XYZ_DB_PASSWORD' 'example'
# (will allow for "$XYZ_DB_PASSWORD_FILE" to fill in the value of
# "$XYZ_DB_PASSWORD" from a file, especially for Docker's secrets feature)
file_env() {
local var="$1"
local fileVar="${var}_FILE"
local def="${2:-}"
if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
echo >&2 "error: both $var and $fileVar are set (but are exclusive)"
exit 1
fi
local val="$def"
if [ "${!var:-}" ]; then
val="${!var}"
elif [ "${!fileVar:-}" ]; then
val="$(< "${!fileVar}")"
fi
export "$var"="$val"
unset "$fileVar"
}

# load secrets either from environment variables or files
file_env 'PG_META_DB_PASSWORD'

exec "${@}"

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