chore: postgres example (#674)

* feat: add postgres example

* chore: more tests

.github/dependabot.yml

@@ -42,6 +42,12 @@ updates:
         interval: daily
       open-pull-requests-limit: 3
       rebase-strategy: disabled
+    - package-ecosystem: gomod
+      directory: /examples/postgres
+      schedule:
+        interval: daily
+      open-pull-requests-limit: 3
+      rebase-strategy: disabled
     - package-ecosystem: gomod
       directory: /examples/pubsub
       schedule:

.github/workflows/postgres-example.yml

@@ -0,0 +1,42 @@
+name: Postgres example pipeline
+
+on: [push, pull_request]
+
+jobs:
+  test-postgres:
+    strategy:
+      matrix:
+        go-version: [1.18.x, 1.x]
+    runs-on: "ubuntu-latest"
+    steps:
+
+      - name: Set up Go
+        uses: actions/setup-go@v3
+        with:
+          go-version: ${{ matrix.go-version }}
+        id: go
+
+      - name: Check out code into the Go module directory
+        uses: actions/checkout@v3
+
+      - name: modVerify
+        working-directory: ./examples/postgres
+        run: go mod verify
+
+      - name: modTidy
+        working-directory: ./examples/postgres
+        run: make tools-tidy
+
+      - name: gotestsum
+        working-directory: ./examples/postgres
+        run: make test-unit
+
+      - name: Run checker
+        run: |
+          ./scripts/check_environment.sh
+
+      - name: Test Summary
+        uses: test-summary/action@4ee9ece4bca777a38f05c8fc578ac2007fe266f7
+        with:
+          paths: "**/TEST-postgres*.xml"
+        if: always()

docs/examples/postgres.md

@@ -0,0 +1,9 @@
+# Postgres
+
+<!--codeinclude-->
+[Creating a Postgres container](../../examples/postgres/postgres.go)
+<!--/codeinclude-->
+
+<!--codeinclude-->
+[Test for a Postgres container](../../examples/postgres/postgres_test.go)
+<!--/codeinclude-->

examples/postgres/Makefile

@@ -0,0 +1,5 @@
+include ../../commons-test.mk
+
+.PHONY: test
+test:
+	$(MAKE) test-postgres

examples/postgres/go.mod

@@ -0,0 +1,163 @@
+module github.com/testcontainers/testcontainers-go/examples/postgres
+
+go 1.18
+
+require (
+	github.com/docker/go-connections v0.4.0
+	github.com/lib/pq v0.0.0-20150723085316-0dad96c0b94f
+	github.com/stretchr/testify v1.8.1
+	github.com/testcontainers/testcontainers-go v0.16.0
+	gotest.tools/gotestsum v1.8.2
+)
+
+require (
+	github.com/AlecAivazis/survey/v2 v2.3.6 // indirect
+	github.com/Azure/go-ansiterm v0.0.0-20210617225240-d185dfc1b5a1 // indirect
+	github.com/Microsoft/go-winio v0.5.2 // indirect
+	github.com/beorn7/perks v1.0.1 // indirect
+	github.com/buger/goterm v1.0.4 // indirect
+	github.com/cenkalti/backoff/v4 v4.2.0 // indirect
+	github.com/cespare/xxhash/v2 v2.1.2 // indirect
+	github.com/compose-spec/compose-go v1.8.0 // indirect
+	github.com/containerd/console v1.0.3 // indirect
+	github.com/containerd/containerd v1.6.10 // indirect
+	github.com/containerd/continuity v0.3.0 // indirect
+	github.com/containerd/ttrpc v1.1.0 // indirect
+	github.com/containerd/typeurl v1.0.2 // indirect
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/distribution/distribution/v3 v3.0.0-20221201083218-92d136e113cf // indirect
+	github.com/dnephin/pflag v1.0.7 // indirect
+	github.com/docker/buildx v0.9.1 // indirect
+	github.com/docker/cli v20.10.20+incompatible // indirect
+	github.com/docker/compose/v2 v2.14.0 // indirect
+	github.com/docker/distribution v2.8.1+incompatible // indirect
+	github.com/docker/docker v20.10.20+incompatible // indirect
+	github.com/docker/docker-credential-helpers v0.7.0 // indirect
+	github.com/docker/go v1.5.1-1.0.20160303222718-d30aec9fd63c // indirect
+	github.com/docker/go-metrics v0.0.1 // indirect
+	github.com/docker/go-units v0.5.0 // indirect
+	github.com/fatih/color v1.13.0 // indirect
+	github.com/felixge/httpsnoop v1.0.2 // indirect
+	github.com/fsnotify/fsnotify v1.5.4 // indirect
+	github.com/fvbommel/sortorder v1.0.2 // indirect
+	github.com/go-logr/logr v1.2.3 // indirect
+	github.com/go-logr/stdr v1.2.2 // indirect
+	github.com/gofrs/flock v0.8.0 // indirect
+	github.com/gogo/googleapis v1.4.1 // indirect
+	github.com/gogo/protobuf v1.3.2 // indirect
+	github.com/golang/mock v1.6.0 // indirect
+	github.com/golang/protobuf v1.5.2 // indirect
+	github.com/google/go-cmp v0.5.9 // indirect
+	github.com/google/gofuzz v1.2.0 // indirect
+	github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510 // indirect
+	github.com/google/uuid v1.3.0 // indirect
+	github.com/googleapis/gnostic v0.5.5 // indirect
+	github.com/gorilla/mux v1.8.0 // indirect
+	github.com/grpc-ecosystem/go-grpc-middleware v1.3.0 // indirect
+	github.com/grpc-ecosystem/grpc-gateway v1.16.0 // indirect
+	github.com/hashicorp/errwrap v1.1.0 // indirect
+	github.com/hashicorp/go-multierror v1.1.1 // indirect
+	github.com/hashicorp/go-version v1.6.0 // indirect
+	github.com/imdario/mergo v0.3.13 // indirect
+	github.com/inconshreveable/mousetrap v1.0.1 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51 // indirect
+	github.com/klauspost/compress v1.15.9 // indirect
+	github.com/magiconair/properties v1.8.6 // indirect
+	github.com/mattn/go-colorable v0.1.12 // indirect
+	github.com/mattn/go-isatty v0.0.16 // indirect
+	github.com/mattn/go-runewidth v0.0.14 // indirect
+	github.com/mattn/go-shellwords v1.0.12 // indirect
+	github.com/matttproud/golang_protobuf_extensions v1.0.2 // indirect
+	github.com/mgutz/ansi v0.0.0-20170206155736-9520e82c474b // indirect
+	github.com/miekg/pkcs11 v1.1.1 // indirect
+	github.com/mitchellh/mapstructure v1.5.0 // indirect
+	github.com/moby/buildkit v0.10.4 // indirect
+	github.com/moby/locker v1.0.1 // indirect
+	github.com/moby/patternmatcher v0.5.0 // indirect
+	github.com/moby/spdystream v0.2.0 // indirect
+	github.com/moby/sys/sequential v0.5.0 // indirect
+	github.com/moby/sys/signal v0.7.0 // indirect
+	github.com/moby/sys/symlink v0.2.0 // indirect
+	github.com/moby/term v0.0.0-20221128092401-c43b287e0e0f // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/morikuni/aec v1.0.0 // indirect
+	github.com/opencontainers/go-digest v1.0.0 // indirect
+	github.com/opencontainers/image-spec v1.1.0-rc2 // indirect
+	github.com/opencontainers/runc v1.1.3 // indirect
+	github.com/pelletier/go-toml v1.9.4 // indirect
+	github.com/pkg/errors v0.9.1 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/prometheus/client_golang v1.12.2 // indirect
+	github.com/prometheus/client_model v0.2.0 // indirect
+	github.com/prometheus/common v0.32.1 // indirect
+	github.com/prometheus/procfs v0.7.3 // indirect
+	github.com/rivo/uniseg v0.2.0 // indirect
+	github.com/serialx/hashring v0.0.0-20190422032157-8b2912629002 // indirect
+	github.com/sirupsen/logrus v1.9.0 // indirect
+	github.com/spf13/cobra v1.6.1 // indirect
+	github.com/spf13/pflag v1.0.5 // indirect
+	github.com/theupdateframework/notary v0.7.0 // indirect
+	github.com/tonistiigi/fsutil v0.0.0-20220930225714-4638ad635be5 // indirect
+	github.com/tonistiigi/units v0.0.0-20180711220420-6950e57a87ea // indirect
+	github.com/tonistiigi/vt100 v0.0.0-20210615222946-8066bb97264f // indirect
+	github.com/xeipuuv/gojsonpointer v0.0.0-20190905194746-02993c407bfb // indirect
+	github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415 // indirect
+	github.com/xeipuuv/gojsonschema v1.2.0 // indirect
+	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.29.0 // indirect
+	go.opentelemetry.io/contrib/instrumentation/net/http/httptrace/otelhttptrace v0.29.0 // indirect
+	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.29.0 // indirect
+	go.opentelemetry.io/otel v1.11.1 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/internal/retry v1.4.1 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.4.1 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.4.1 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.4.1 // indirect
+	go.opentelemetry.io/otel/internal/metric v0.27.0 // indirect
+	go.opentelemetry.io/otel/metric v0.27.0 // indirect
+	go.opentelemetry.io/otel/sdk v1.4.1 // indirect
+	go.opentelemetry.io/otel/trace v1.11.1 // indirect
+	go.opentelemetry.io/proto/otlp v0.12.0 // indirect
+	golang.org/x/crypto v0.0.0-20220511200225-c6db032c6c88 // indirect
+	golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4 // indirect
+	golang.org/x/net v0.0.0-20220906165146-f3363e06e74c // indirect
+	golang.org/x/oauth2 v0.0.0-20211104180415-d3ed0bb246c8 // indirect
+	golang.org/x/sync v0.1.0 // indirect
+	golang.org/x/sys v0.3.0 // indirect
+	golang.org/x/term v0.0.0-20220526004731-065cf7ba2467 // indirect
+	golang.org/x/text v0.3.7 // indirect
+	golang.org/x/time v0.0.0-20220210224613-90d013bbcef8 // indirect
+	golang.org/x/tools v0.1.11 // indirect
+	google.golang.org/appengine v1.6.7 // indirect
+	google.golang.org/genproto v0.0.0-20220617124728-180714bec0ad // indirect
+	google.golang.org/grpc v1.47.0 // indirect
+	google.golang.org/protobuf v1.28.0 // indirect
+	gopkg.in/inf.v0 v0.9.1 // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+	k8s.io/api v0.24.1 // indirect
+	k8s.io/apimachinery v0.24.1 // indirect
+	k8s.io/client-go v0.24.1 // indirect
+	k8s.io/klog/v2 v2.60.1 // indirect
+	k8s.io/utils v0.0.0-20220210201930-3a6ce19ff2f9 // indirect
+	sigs.k8s.io/structured-merge-diff/v4 v4.2.1 // indirect
+	sigs.k8s.io/yaml v1.2.0 // indirect
+)
+
+replace (
+	github.com/docker/cli => github.com/docker/cli v20.10.3-0.20221013132413-1d6c6e2367e2+incompatible // 22.06 master branch
+	github.com/docker/docker => github.com/docker/docker v20.10.3-0.20221013203545-33ab36d6b304+incompatible // 22.06 branch
+	github.com/moby/buildkit => github.com/moby/buildkit v0.10.1-0.20220816171719-55ba9d14360a // same as buildx
+
+	github.com/opencontainers/runc => github.com/opencontainers/runc v1.1.2 // Can be removed on next bump of containerd to > 1.6.4
+	github.com/testcontainers/testcontainers-go => ../..
+
+	// For k8s dependencies, we use a replace directive, to prevent them being
+	// upgraded to the version specified in containerd, which is not relevant to the
+	// version needed.
+	// See https://github.com/docker/buildx/pull/948 for details.
+	// https://github.com/docker/buildx/blob/v0.8.1/go.mod#L62-L64
+	k8s.io/api => k8s.io/api v0.22.4
+	k8s.io/apimachinery => k8s.io/apimachinery v0.22.4
+	k8s.io/client-go => k8s.io/client-go v0.22.4
+)