feat: change docker to use "coder" user and add basic Helm chart (#2746)

scripts/helm.sh

@@ -0,0 +1,87 @@
+#!/usr/bin/env bash
+
+# This script creates a Helm package for the given version. It will output a
+# .tgz file at the specified path, and may optionally push it to the Coder OSS
+# repo.
+#
+# ./helm.sh [--version 1.2.3] [--output path/to/coder.tgz] [--push]
+#
+# If no version is specified, defaults to the version from ./version.sh.
+#
+# If no output path is specified, defaults to
+# "$repo_root/dist/coder_helm_$version.tgz".
+#
+# If the --push parameter is specified, the resulting artifact will be published
+# to the Coder OSS repo. This requires `gsutil` to be installed and configured.
+
+set -euo pipefail
+# shellcheck source=scripts/lib.sh
+source "$(dirname "${BASH_SOURCE[0]}")/lib.sh"
+
+version=""
+output_path=""
+push=0
+
+args="$(getopt -o "" -l version:,output:,push -- "$@")"
+eval set -- "$args"
+while true; do
+	case "$1" in
+	--version)
+		version="$2"
+		shift 2
+		;;
+	--output)
+		output_path="$(realpath "$2")"
+		shift 2
+		;;
+	--push)
+		push="1"
+		shift
+		;;
+	--)
+		shift
+		break
+		;;
+	*)
+		error "Unrecognized option: $1"
+		;;
+	esac
+done
+
+# Remove the "v" prefix.
+version="${version#v}"
+if [[ "$version" == "" ]]; then
+	version="$(execrelative ./version.sh)"
+fi
+
+if [[ "$output_path" == "" ]]; then
+	cdroot
+	mkdir -p dist
+	output_path="$(realpath "dist/coder_helm_$version.tgz")"
+fi
+
+# Check dependencies
+dependencies helm
+
+# Make a destination temporary directory, as you cannot fully control the output
+# path of `helm package` except for the directory name :/
+cdroot
+temp_dir="$(mktemp -d)"
+
+cdroot
+cd ./helm
+log "--- Packaging helm chart for version $version ($output_path)"
+helm package \
+	--version "$version" \
+	--app-version "$version" \
+	--destination "$temp_dir" \
+	. 1>&2
+
+log "Moving helm chart to $output_path"
+cp "$temp_dir"/*.tgz "$output_path"
+rm -rf "$temp_dir"
+
+if [[ "$push" == 1 ]]; then
+	log "--- Publishing helm chart..."
+	# TODO: figure out how/where we want to publish the helm chart
+fi

scripts/version.sh

@@ -15,6 +15,11 @@ set -euo pipefail
 source "$(dirname "${BASH_SOURCE[0]}")/lib.sh"
 cdroot
 
+if [[ "${CODER_FORCE_VERSION:-}" != "" ]]; then
+	echo "$CODER_FORCE_VERSION"
+	exit 0
+fi
+
 last_tag="$(git describe --tags --abbrev=0)"
 version="$last_tag"