prepare for new version release

.golangci.yaml

@@ -0,0 +1,82 @@
+# taken from https://github.com/bxcodec/go-clean-arch/blob/master/.golangci.yaml
+
+govet:
+  check-shadowing: true
+  settings:
+    printf:
+      funcs:
+        - (github.com/golangci/golangci-lint/pkg/logutils.Log).Infof
+        - (github.com/golangci/golangci-lint/pkg/logutils.Log).Warnf
+        - (github.com/golangci/golangci-lint/pkg/logutils.Log).Errorf
+        - (github.com/golangci/golangci-lint/pkg/logutils.Log).Fatalf
+golint:
+  min-confidence: 0.8
+gocyclo:
+  min-complexity: 20
+maligned:
+  suggest-new: true
+dupl:
+  threshold: 100
+goconst:
+  min-len: 2
+  min-occurrences: 5
+misspell:
+  locale: US
+lll:
+  line-length: 160
+  # tab width in spaces. Default to 1.
+  tab-width: 1
+funlen:
+  lines: 120
+  statements: 50
+
+linters:
+# please, do not use `enable-all`: it's deprecated and will be removed soon.
+# inverted configuration with `enable-all` and `disable` is not scalable during updates of golangci-lint
+disable-all: true
+enable:
+  - deadcode
+  - errcheck
+  - funlen
+  - goconst
+  # - gocritic
+  - gocyclo
+  - golint
+  - gosec
+  - gosimple
+  - govet
+  - ineffassign
+  - interfacer
+  - lll
+  - misspell
+  - staticcheck
+  - structcheck
+  - typecheck
+  - unconvert
+  - unparam
+  - unused
+  - varcheck
+
+run:
+# default concurrency is a available CPU number
+concurrency: 2
+
+skip-dirs:
+  # - test/testdata_etc
+skip-files:
+  # - .*_test.go
+
+issues:
+exclude-rules:
+  - path: internal/(cache|renameio)/
+    linters:
+      - lll
+      - gochecknoinits
+      - gocyclo
+      - funlen
+  - path: .*_test.go
+    linters:
+      - funlen
+exclude-use-default: false
+exclude:
+    - should have a package comment

Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.12-alpine AS builder
+FROM golang:1.19-alpine AS builder
 
 WORKDIR /src/app
 
@@ -9,7 +9,7 @@ RUN apk add --no-cache git \
 COPY . .
 RUN go install
 
-FROM alpine:latest
+FROM alpine:3.16
 LABEL maintainer "Alex Simenduev <[email protected]>"
 
 ENTRYPOINT ["odfe-alerts-handler"]

README.md

@@ -2,7 +2,7 @@
 
 An HTTP server which used to handle webhooks triggered by [OpenDistro for Elasticsearch Alerting](https://opendistro.github.io/for-elasticsearch-docs/docs/alerting)
 
-> Notice, the readme is for `0.2.x` version
+> Notice, the readme is for `0.3.x` version
 
 ## Why?
 
@@ -22,25 +22,29 @@ Download latest version for your platform from [releases](https://github.com/bri
 
 ## With Docker
 
-    docker run --rm -p 8080:8080 bringg/odfe-alerts-handler --help
+```shell
+docker run --rm -p 8080:8080 bringg/odfe-alerts-handler --help
+```
 
 ## Usage
 
-    usage: odfe-alerts-handler [<flags>]
-
-    Flags:
-    -h, --help                   Show context-sensitive help (also try --help-long and --help-man).
-        --web.listen-address=":8080"
-                                Address to listen on for incoming HTTP requests.
-        --smtp.host="localhost"  SMTP server hostname.
-        --smtp.port=25           SMTP server port.
-        --smtp.username=""       SMTP server login username.
-        --smtp.password=""       SMTP server login password.
-        --smtp.from="opendistro@localhost"
-                                SMTP from address.
-        --smtp.default-subject="Opendistro Alert fired"
-                                SMTP default subject.
-        --slack.token=""         Slack token for posting messages.
+```plain
+usage: odfe-alerts-handler [<flags>]
+
+Flags:
+-h, --help                   Show context-sensitive help (also try --help-long and --help-man).
+    --web.listen-address=":8080"
+                            Address to listen on for incoming HTTP requests.
+    --smtp.host="localhost"  SMTP server hostname.
+    --smtp.port=25           SMTP server port.
+    --smtp.username=""       SMTP server login username.
+    --smtp.password=""       SMTP server login password.
+    --smtp.from="opendistro@localhost"
+                            SMTP from address.
+    --smtp.default-subject="Opendistro Alert fired"
+                            SMTP default subject.
+    --slack.token=""         Slack token for posting messages.
+```
 
 ## Configure ODFE Alerting destinations
 
@@ -59,7 +63,7 @@ Download latest version for your platform from [releases](https://github.com/bri
 
 ```yaml
 to: ['[email protected]']
-subject: ['Optional subject param']
+subject: Optional subject param
 ---
 This is the body of the message
 Here you can use the templeting as usual...
@@ -86,8 +90,8 @@ Optionally, for `channels` you can omit the leading `#`.
 ## Creating a release
 
 ```shell
-RELEASE_TITLE="First release"
-RELEASE_VERSION=0.2.0
+RELEASE_TITLE="Module maintenance, and fix slack deprecations"
+RELEASE_VERSION=0.3.0
 
 git tag -a v${RELEASE_VERSION} -m "${RELEASE_TITLE}"
 git push --tags