Reduce min size for encode on init, update CI (#16)

.github/workflows/bench.yml

@@ -12,11 +12,16 @@ on:
         description: 'New Ref'
         required: true
 
+# Cancel the workflow in progress in newer build is about to start.
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
 env:
   GO111MODULE: "on"
   CACHE_BENCHMARK: "off"    # Enables benchmark result reuse between runs, may skew latency results.
   RUN_BASE_BENCHMARK: "on"  # Runs benchmark for PR base in case benchmark result is missing.
-  GO_VERSION: 1.17.x
+  GO_VERSION: 1.18.x
 jobs:
   bench:
     runs-on: ubuntu-latest

.github/workflows/cloc.yml

@@ -2,6 +2,12 @@
 name: cloc
 on:
   pull_request:
+
+# Cancel the workflow in progress in newer build is about to start.
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
 jobs:
   cloc:
     runs-on: ubuntu-latest

.github/workflows/golangci-lint.yml

@@ -8,17 +8,27 @@ on:
       - master
       - main
   pull_request:
+
+# Cancel the workflow in progress in newer build is about to start.
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
 jobs:
   golangci:
     name: golangci-lint
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
+      - name: Install Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: 1.18.x
       - name: golangci-lint
-        uses: golangci/golangci-lint-action@v2.5.2
+        uses: golangci/golangci-lint-action@v3.1.0
         with:
           # Required: the version of golangci-lint is required and must be specified without patch version: we always use the latest patch version.
-          version: v1.43.0
+          version: v1.45.2
 
           # Optional: working directory, useful for monorepos
           # working-directory: somedir

.github/workflows/gorelease.yml

@@ -2,8 +2,14 @@
 name: gorelease
 on:
   pull_request:
+
+# Cancel the workflow in progress in newer build is about to start.
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
 env:
-  GO_VERSION: 1.17.x
+  GO_VERSION: 1.18.x
 jobs:
   gorelease:
     runs-on: ubuntu-latest

.github/workflows/test-unit.yml

@@ -6,15 +6,21 @@ on:
       - master
       - main
   pull_request:
+
+# Cancel the workflow in progress in newer build is about to start.
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
 env:
   GO111MODULE: "on"
   RUN_BASE_COVERAGE: "on"  # Runs test for PR base in case base test coverage is missing.
-  COV_GO_VERSION: 1.17.x   # Version of Go to collect coverage
+  COV_GO_VERSION: 1.18.x   # Version of Go to collect coverage
 jobs:
   test:
     strategy:
       matrix:
-        go-version: [ 1.16.x, 1.17.x, tip ]
+        go-version: [ 1.16.x, 1.17.x, 1.18.x, tip ]
     runs-on: ubuntu-latest
     steps:
       - name: Install Go stable

Makefile

@@ -1,4 +1,4 @@
-#GOLANGCI_LINT_VERSION := "v1.43.0" # Optional configuration to pinpoint golangci-lint version.
+#GOLANGCI_LINT_VERSION := "v1.45.0" # Optional configuration to pinpoint golangci-lint version.
 
 # The head of Makefile determines location of dev-go to include standard targets.
 GO ?= go

go.mod

@@ -4,12 +4,12 @@ go 1.17
 
 require (
 	github.com/andybalholm/brotli v1.0.4
-	github.com/bool64/dev v0.2.5
+	github.com/bool64/dev v0.2.9
 	github.com/stretchr/testify v1.4.0
 )
 
 require (
 	github.com/davecgh/go-spew v1.1.0 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
-	gopkg.in/yaml.v2 v2.2.2 // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
 )

go.sum

@@ -1,7 +1,7 @@
 github.com/andybalholm/brotli v1.0.4 h1:V7DdXeJtZscaqfNuAdSRuRFzuiKlHSC/Zh3zl9qY3JY=
 github.com/andybalholm/brotli v1.0.4/go.mod h1:fO7iG3H7G2nSZ7m0zPUDn85XEX2GTukHGRSepvi9Eig=
-github.com/bool64/dev v0.2.5 h1:H0bylghwcjDBBhEwSFTjArEO9Dr8cCaB54QSOF7esOA=
-github.com/bool64/dev v0.2.5/go.mod h1:cTHiTDNc8EewrQPy3p1obNilpMpdmlUesDkFTF2zRWU=
+github.com/bool64/dev v0.2.9 h1:efyGf5pgx4CYWQpCzPEX8a1PgewaCGaEexXa+IYHT/8=
+github.com/bool64/dev v0.2.9/go.mod h1:/csLrm+4oDSsKJRIVS0mrywAonLnYKFG8RvGT7Jh9b8=
 github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
@@ -11,5 +11,6 @@ github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJy
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
+gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=

server.go

@@ -50,8 +50,8 @@ type Server struct {
 }
 
 const (
-	// minSizeToEncode is minimal file size to apply encoding in runtime, 1KiB.
-	minSizeToEncode = 1024
+	// minSizeToEncode is minimal file size to apply encoding in runtime, 0.5KiB.
+	minSizeToEncode = 512
 
 	// minCompressionRatio is a minimal compression ratio to serve encoded data, 97%.
 	minCompressionRatio = 0.97
@@ -207,7 +207,8 @@ func (s *Server) reader(fn string, info fileInfo) (io.Reader, error) {
 }
 
 func (s *Server) serve(rw http.ResponseWriter, req *http.Request, fn, suf, enc string, info fileInfo,
-	decompress func(r io.Reader) (io.Reader, error)) {
+	decompress func(r io.Reader) (io.Reader, error),
+) {
 	if m := req.Header.Get("If-None-Match"); m == info.hash {
 		rw.WriteHeader(http.StatusNotModified)