# The environment overrides everything else.

# Use the Go module mirror and checksum database by default.
# See https://proxy.golang.org for details.
GOPROXY=https://proxy.golang.org,direct
GOSUMDB=sum.golang.org

# Automatically download newer toolchains as directed by go.mod files.
# See https://go.dev/doc/toolchain for details.

```Python hl_lines="13  15  22  25"
{!../../docs_src/background_tasks/tutorial002.py!}
```

Neste exemplo, as mensagens serão gravadas no arquivo `log.txt` _após_ o envio da resposta.

Se houver uma consulta na solicitação, ela será gravada no log em uma tarefa em segundo plano.

github.com/jinzhu/now v1.1.5 h1:/o9tlHleP7gOFmsnYNz3RGnqzefHA47wQpKrrdTIwXQ=
github.com/jinzhu/now v1.1.5/go.mod h1:d3SSVoowX0Lcu0IBviAWJpolVfI5UJVZZ7cO71lE/z8=
golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ=

reliable, and efficient software.

![Gopher image](https://golang.org/doc/gopher/fiveyears.jpg)
*Gopher image by [Renee French][rf], licensed under [Creative Commons 4.0 Attribution license][cc4-by].*

Our canonical Git repository is located at https://go.googlesource.com/go.
There is a mirror of the repository at https://github.com/golang/go.

Unless otherwise noted, the Go source files are distributed under the

- go.opencensus.io: v0.23.0 → v0.24.0
- golang.org/x/mod: v0.9.0 → v0.12.0
- golang.org/x/oauth2: ee48083 → v0.7.0
- golang.org/x/sync: v0.1.0 → v0.3.0
- golang.org/x/time: 90d013b → v0.3.0
- golang.org/x/tools: v0.7.0 → v0.12.0
- google.golang.org/api: v0.60.0 → v0.114.0
- google.golang.org/genproto: c8bf987 → 438c736
- google.golang.org/grpc: v1.51.0 → v1.56.3
- google.golang.org/protobuf: v1.28.1 → v1.31.0

	github.com/mattn/go-colorable v0.1.13 // indirect
	github.com/mattn/go-isatty v0.0.20 // indirect
	github.com/minio/pkg/v3 v3.0.1 // indirect
	github.com/philhofer/fwd v1.1.2 // indirect
	golang.org/x/crypto v0.23.0 // indirect
	golang.org/x/sys v0.20.0 // indirect

- go.uber.org/zap: 67bc79d → v1.10.0
- golang.org/x/crypto: e84da03 → 60c769a
- golang.org/x/lint: 8f45f77 → 959b441
- golang.org/x/net: cdfb69a → 13f9640
- golang.org/x/oauth2: 9f33145 → 0f29369
- golang.org/x/sync: 42b3178 → cd5d95a
- golang.org/x/sys: 3b52091 → fde4db3
- golang.org/x/text: e6919f6 → v0.3.2
- golang.org/x/time: f51c127 → 9d24e82
- golang.org/x/tools: 6e04913 → 65e3620

	cluster "github.com/envoyproxy/go-control-plane/envoy/config/cluster/v3"
	core "github.com/envoyproxy/go-control-plane/envoy/config/core/v3"
	listener "github.com/envoyproxy/go-control-plane/envoy/config/listener/v3"
	route "github.com/envoyproxy/go-control-plane/envoy/config/route/v3"
	rbachttp "github.com/envoyproxy/go-control-plane/envoy/extensions/filters/http/rbac/v3"

- github.com/seccomp/libseccomp-golang: [3879420 → f33da4d](https://github.com/seccomp/libseccomp-golang/compare/3879420...f33da4d)
- golang.org/x/mod: 86c51ed → v0.8.0
- golang.org/x/net: v0.7.0 → v0.8.0
- golang.org/x/sync: 886fb93 → v0.1.0
- golang.org/x/sys: v0.5.0 → v0.6.0
- golang.org/x/term: v0.5.0 → v0.6.0
- golang.org/x/text: v0.7.0 → v0.8.0
- golang.org/x/tools: v0.1.12 → v0.6.0

# CL 153420045 crypto/x509: continue to recognise MaxPathLen of zero as "no value"., Adam Langley <agl@golang.org>
pkg crypto/x509, type Certificate struct, MaxPathLenZero bool

# CL 158950043 database/sql: add Drivers, returning list of registered drivers, Russ Cox <rsc@golang.org>
pkg database/sql, func Drivers() []string