An opinionated golangci-lint config (right version™)

golangci.yaml

# $ golangci-lint run --config=~/.golangci.yml ./... > lint.txt
version: "2"
run:
  # default concurrency is a available CPU number
  concurrency: 8
  go: ""
  build-tags:
    - integration
  modules-download-mode: readonly

  # exit code when at least one issue was found, default is 1
  issues-exit-code: 1
  
  # include test files or not, default is true
  tests: true
  
  # Allow multiple parallel golangci-lint instances running.
  # If false (default) - golangci-lint acquires file lock on start.
  allow-parallel-runners: false
output:
  path-prefix: ""
linters:
  enable:
    - asasalint
    - asciicheck
    - bidichk
    - bodyclose
    - canonicalheader
    - contextcheck
    - copyloopvar
    - durationcheck
    - errname
    - errorlint
    - exptostd
    - gocritic
    - godot
    - gomoddirectives
    - gosec
    - misspell
    - nakedret
    - nilerr
    - nilnesserr
    - nilnil
    - noctx
    - nolintlint
    - prealloc
    - predeclared
    - reassign
    - revive
    - rowserrcheck
    - sqlclosecheck
    - staticcheck
    - tagliatelle
    - testableexamples
    - thelper
    - tparallel
    - unconvert
    - unparam
    - usestdlibvars
    - usetesting
    - wastedassign
  disable:
    - containedctx
    - cyclop
    - decorder
    - depguard
    - dogsled
    - dupl
    - dupword
    - err113
    - errchkjson
    - exhaustive
    - exhaustruct
    - forbidigo
    - forcetypeassert
    - funlen
    - ginkgolinter
    - gocheckcompilerdirectives
    - gochecknoglobals
    - gochecknoinits
    - gocognit
    - goconst
    - gocyclo
    - godox
    - goheader
    - gomodguard
    - goprintffuncname
    - grouper
    - importas
    - interfacebloat
    - intrange
    - ireturn
    - lll
    - loggercheck
    - maintidx
    - makezero
    - mirror
    - mnd
    - musttag
    - nestif
    - nlreturn
    - nonamedreturns
    - nosprintfhostport
    - paralleltest
    - promlinter
    - protogetter
    - recvcheck
    - spancheck
    - testifylint
    - testpackage
    - varnamelen
    - whitespace
    - wrapcheck
    - wsl
    - zerologlint
  settings:
    errcheck:
      check-type-assertions: true
      check-blank: true
      exclude-functions:
        - io/ioutil.ReadFile
        - io.Copy(*bytes.Buffer)
        - io.Copy(os.Stdout)
    gocritic:
      disabled-checks:
        - hugeParam
        - rangeExprCopy
        - rangeValCopy
      enabled-tags:
        - diagnostic
        - experimental
        - opinionated
        - performance
        - style
    govet:
      disable:
        - fieldalignment
    nakedret:
      max-func-lines: 1
    tagliatelle:
      case:
        rules:
          avro: snake
          bson: camel
          json: snake
          mapstructure: kebab
          xml: camel
          yaml: snake
  exclusions:
    generated: lax
    presets:
      - comments
      - common-false-positives
      - legacy
      - std-error-handling
    paths:
      - third_party$
      - builtin$
      - examples$
issues:
  max-issues-per-linter: 0
  max-same-issues: 0
  new: false
  fix: false
formatters:
  enable:
    - gofmt
    - gofumpt
    - goimports
  exclusions:
    generated: lax
    paths:
      - third_party$
      - builtin$
      - examples$

@StevenACoffman @melekhine done. Took more time than I expected :D