Use Go 1.21.2 (#653)

.github/workflows/ci.yml

@@ -3,6 +3,7 @@ on:
     branches:
       - main
   pull_request:
+  workflow_dispatch:
 name: CI
 jobs:
   test:

.tool-versions

@@ -1 +1 @@
-golang 1.20.3
+golang 1.21.2

Dockerfile

@@ -1,8 +1,8 @@
-FROM golang:1.20.3-alpine3.17 AS builder
+FROM golang:1.21.2-alpine3.18 AS builder
 
 RUN apk add --no-cache ca-certificates
 
-ENV CGO_ENABLED=0 GO111MODULE=on
+ENV CGO_ENABLED=0
 WORKDIR /go/src/github.com/sourcegraph/zoekt
 
 # Cache dependencies
@@ -13,7 +13,7 @@ COPY . ./
 ARG VERSION
 RUN go install -ldflags "-X github.com/sourcegraph/zoekt.Version=$VERSION" ./cmd/...
 
-FROM rust:alpine3.17 AS rust-builder
+FROM rust:alpine3.18 AS rust-builder
 
 RUN apk update --no-cache && apk upgrade --no-cache && \
     apk add --no-cache git wget musl-dev>=1.1.24-r10 build-base
@@ -27,7 +27,7 @@ RUN cd sourcegraph/docker-images/syntax-highlighter && /sourcegraph/cmd/symbols/
 
 RUN cargo install --path sourcegraph/docker-images/syntax-highlighter --root /syntect_server --bin scip-ctags
 
-FROM alpine:3.17.3 AS zoekt
+FROM alpine:3.18 AS zoekt
 
 RUN apk update --no-cache && apk upgrade --no-cache && \
     apk add --no-cache git ca-certificates bind-tools tini jansson wget

Dockerfile.indexserver

@@ -1,4 +1,4 @@
-FROM alpine:3.17.3
+FROM alpine:3.18
 
 RUN apk update --no-cache && apk upgrade --no-cache && \
     apk add --no-cache ca-certificates bind-tools tini 'git>=2.38.5-r0' jansson && \

Dockerfile.webserver

@@ -1,4 +1,4 @@
-FROM alpine:3.17.3
+FROM alpine:3.18
 
 RUN apk update --no-cache && apk upgrade --no-cache && \
    apk add --no-cache ca-certificates bind-tools tini