Files
dokku/plugins/builder-dockerfile/internal-functions
Jose Diaz-Gonzalez f9db9583a1 feat: port builder :report subcommands to golang
The bash :report implementations for the dockerfile, herokuish, lambda, nixpacks, pack, and railpack builders are replaced with a compiled golang binary that collects report keys in parallel and marshals json directly, avoiding the per-key subshell and jq forks that made the bash reports slow. The subcommands/report and root report trigger become symlinks to the compiled binary, while the non-report bash helpers each plugin still relies on are left in place.
2026-07-07 06:11:13 -04:00

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#!/usr/bin/env bash
source "$PLUGIN_CORE_AVAILABLE_PATH/common/functions"
source "$PLUGIN_CORE_AVAILABLE_PATH/common/property-functions"
set -eo pipefail
[[ $DOKKU_TRACE ]] && set -x
fn-builder-dockerfile-computed-dockerfile-path() {
declare APP="$1"
file="$(fn-builder-dockerfile-dockerfile-path "$APP")"
if [[ "$file" == "" ]]; then
file="$(fn-builder-dockerfile-global-dockerfile-path "$APP")"
fi
if [[ "$file" == "" ]]; then
file="Dockerfile"
fi
echo "$file"
}
fn-builder-dockerfile-global-dockerfile-path() {
declare APP="$1"
fn-plugin-property-get-default "builder-dockerfile" "--global" "dockerfile-path" ""
}
fn-builder-dockerfile-dockerfile-path() {
declare APP="$1"
fn-plugin-property-get-default "builder-dockerfile" "$APP" "dockerfile-path" ""
}
fn-builder-dockerfile-get-ports-from-dockerfile() {
declare desc="return all exposed ports from passed file path"
declare DOCKERFILE_PATH="$1"
suppress_output dos2unix "$DOCKERFILE_PATH"
local ports="$(grep -E "^EXPOSE " "$DOCKERFILE_PATH" | awk '{ print $2 }' | xargs)" || true
echo "$ports"
}
fn-builder-dockerfile-get-ports-from-image() {
declare desc="return all exposed ports from passed image name"
declare IMAGE="$1"
# shellcheck disable=SC2016
local ports="$("$DOCKER_BIN" image inspect --format '{{range $key, $value := .Config.ExposedPorts}}{{$key}} {{end}}' "$IMAGE" | xargs)" || true
echo "$ports"
}
fn-builder-dockerfile-get-detect-port-map() {
declare desc="extracts and echos a port mapping from the app"
declare APP="$1" IMAGE="$2" DOCKERFILE_PATH="$3"
local detected_ports=$(fn-builder-dockerfile-get-ports-from-dockerfile "$DOCKERFILE_PATH")
if [[ -z "$detected_ports" ]]; then
local detected_ports=$(fn-builder-dockerfile-get-ports-from-image "$IMAGE")
fi
if [[ -n "$detected_ports" ]]; then
local port_map=""
for p in $detected_ports; do
if [[ "$p" =~ .*udp.* ]]; then
p=${p//\/udp/}
port_map+="udp:$p:$p "
else
scheme="http"
p=${p//\/tcp/}
if [[ "$p" == "443" ]]; then
scheme="https"
fi
port_map+="$scheme:$p:$p "
fi
done
echo "$port_map" | xargs
else
# ensure we have a port mapping
plugn trigger ports-configure "$APP"
echo "http:$(plugn trigger ports-get-property "$APP" proxy-port):5000"
fi
}