add protovalidate support

TODO.md

@@ -1,5 +1,8 @@
 # TODO
 
+- [ ] Spruce up the README
+- [ ] Create generic interface for implenting a service
+- [ ] Create config sample not called demo, so it is more easily reused
 - [ ] Expand config test case to cover GRPC config
 - [ ] Expand tracing
 

go.mod

@@ -3,50 +3,59 @@ module gitea.libretechconsulting.com/rmcguire/go-app
 go 1.24.2
 
 require (
+	buf.build/go/protovalidate v0.14.0
 	github.com/caarlos0/env/v11 v11.3.1
 	github.com/grpc-ecosystem/go-grpc-middleware/v2 v2.3.2
-	github.com/grpc-ecosystem/grpc-gateway/v2 v2.26.3
+	github.com/grpc-ecosystem/grpc-gateway/v2 v2.27.1
 	github.com/prometheus/client_golang v1.22.0
 	github.com/rs/zerolog v1.34.0
-	github.com/swaggest/jsonschema-go v0.3.73
-	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.60.0
-	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.60.0
-	go.opentelemetry.io/otel v1.35.0
-	go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc v1.35.0
-	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.35.0
-	go.opentelemetry.io/otel/exporters/prometheus v0.57.0
-	go.opentelemetry.io/otel/exporters/stdout/stdoutmetric v1.35.0
-	go.opentelemetry.io/otel/exporters/stdout/stdouttrace v1.35.0
-	go.opentelemetry.io/otel/metric v1.35.0
-	go.opentelemetry.io/otel/sdk v1.35.0
-	go.opentelemetry.io/otel/sdk/metric v1.35.0
-	go.opentelemetry.io/otel/trace v1.35.0
-	google.golang.org/grpc v1.72.0
+	github.com/swaggest/jsonschema-go v0.3.78
+	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.62.0
+	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.62.0
+	go.opentelemetry.io/otel v1.37.0
+	go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc v1.37.0
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.37.0
+	go.opentelemetry.io/otel/exporters/prometheus v0.59.1
+	go.opentelemetry.io/otel/exporters/stdout/stdoutmetric v1.37.0
+	go.opentelemetry.io/otel/exporters/stdout/stdouttrace v1.37.0
+	go.opentelemetry.io/otel/metric v1.37.0
+	go.opentelemetry.io/otel/sdk v1.37.0
+	go.opentelemetry.io/otel/sdk/metric v1.37.0
+	go.opentelemetry.io/otel/trace v1.37.0
+	google.golang.org/grpc v1.73.0
 	gopkg.in/yaml.v3 v3.0.1
 )
 
 require (
+	buf.build/gen/go/bufbuild/protovalidate/protocolbuffers/go v1.36.6-20250717185734-6c6e0d3c608e.1 // indirect
+	cel.dev/expr v0.24.0 // indirect
+	github.com/antlr4-go/antlr/v4 v4.13.1 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
-	github.com/cenkalti/backoff/v4 v4.3.0 // indirect
+	github.com/cenkalti/backoff/v5 v5.0.2 // indirect
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
 	github.com/felixge/httpsnoop v1.0.4 // indirect
-	github.com/go-logr/logr v1.4.2 // indirect
+	github.com/go-logr/logr v1.4.3 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
+	github.com/google/cel-go v0.26.0 // indirect
 	github.com/google/uuid v1.6.0 // indirect
+	github.com/grafana/regexp v0.0.0-20240518133315-a468a5bfb3bc // indirect
 	github.com/mattn/go-colorable v0.1.14 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
 	github.com/prometheus/client_model v0.6.2 // indirect
-	github.com/prometheus/common v0.63.0 // indirect
-	github.com/prometheus/procfs v0.16.1 // indirect
-	github.com/swaggest/refl v1.3.1 // indirect
+	github.com/prometheus/common v0.65.0 // indirect
+	github.com/prometheus/otlptranslator v0.0.0-20250717125610-8549f4ab4f8f // indirect
+	github.com/prometheus/procfs v0.17.0 // indirect
+	github.com/stoewer/go-strcase v1.3.1 // indirect
+	github.com/swaggest/refl v1.4.0 // indirect
 	go.opentelemetry.io/auto/sdk v1.1.0 // indirect
-	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.35.0 // indirect
-	go.opentelemetry.io/proto/otlp v1.6.0 // indirect
-	golang.org/x/net v0.39.0 // indirect
-	golang.org/x/sys v0.32.0 // indirect
-	golang.org/x/text v0.24.0 // indirect
-	google.golang.org/genproto/googleapis/api v0.0.0-20250428153025-10db94c68c34 // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20250428153025-10db94c68c34 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.37.0 // indirect
+	go.opentelemetry.io/proto/otlp v1.7.0 // indirect
+	golang.org/x/exp v0.0.0-20250718183923-645b1fa84792 // indirect
+	golang.org/x/net v0.42.0 // indirect
+	golang.org/x/sys v0.34.0 // indirect
+	golang.org/x/text v0.27.0 // indirect
+	google.golang.org/genproto/googleapis/api v0.0.0-20250721164621-a45f3dfb1074 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20250721164621-a45f3dfb1074 // indirect
 	google.golang.org/protobuf v1.36.6 // indirect
 )

go.sum

@@ -1,3 +1,11 @@
+buf.build/gen/go/bufbuild/protovalidate/protocolbuffers/go v1.36.6-20250717185734-6c6e0d3c608e.1 h1:Lg6klmCi3v7VvpqeeLEER9/m5S8y9e9DjhqQnSCNy4k=
+buf.build/gen/go/bufbuild/protovalidate/protocolbuffers/go v1.36.6-20250717185734-6c6e0d3c608e.1/go.mod h1:avRlCjnFzl98VPaeCtJ24RrV/wwHFzB8sWXhj26+n/U=
+buf.build/go/protovalidate v0.14.0 h1:kr/rC/no+DtRyYX+8KXLDxNnI1rINz0imk5K44ZpZ3A=
+buf.build/go/protovalidate v0.14.0/go.mod h1:+F/oISho9MO7gJQNYC2VWLzcO1fTPmaTA08SDYJZncA=
+cel.dev/expr v0.24.0 h1:56OvJKSH3hDGL0ml5uSxZmz3/3Pq4tJ+fb1unVLAFcY=
+cel.dev/expr v0.24.0/go.mod h1:hLPLo1W4QUmuYdA72RBX06QTs6MXw941piREPl3Yfiw=
+github.com/antlr4-go/antlr/v4 v4.13.1 h1:SqQKkuVZ+zWkMMNkjy5FZe5mr5WURWnlpmOuzYWrPrQ=
+github.com/antlr4-go/antlr/v4 v4.13.1/go.mod h1:GKmUxMtwp6ZgGwZSva4eWPC5mS6vUAmOABFgjdkM7Nw=
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
 github.com/bool64/dev v0.2.39 h1:kP8DnMGlWXhGYJEZE/J0l/gVBdbuhoPGL+MJG4QbofE=
@@ -6,31 +14,36 @@ github.com/bool64/shared v0.1.5 h1:fp3eUhBsrSjNCQPcSdQqZxxh9bBwrYiZ+zOKFkM0/2E=
 github.com/bool64/shared v0.1.5/go.mod h1:081yz68YC9jeFB3+Bbmno2RFWvGKv1lPKkMP6MHJlPs=
 github.com/caarlos0/env/v11 v11.3.1 h1:cArPWC15hWmEt+gWk7YBi7lEXTXCvpaSdCiZE2X5mCA=
 github.com/caarlos0/env/v11 v11.3.1/go.mod h1:qupehSf/Y0TUTsxKywqRt/vJjN5nz6vauiYEUUr8P4U=
-github.com/cenkalti/backoff/v4 v4.3.0 h1:MyRJ/UdXutAwSAT+s3wNd7MfTIcy71VQueUuFK343L8=
-github.com/cenkalti/backoff/v4 v4.3.0/go.mod h1:Y3VNntkOUPxTVeUxJ/G5vcM//AlwfmyYozVcomhLiZE=
+github.com/cenkalti/backoff/v5 v5.0.2 h1:rIfFVxEf1QsI7E1ZHfp/B4DF/6QBAUhmgkxc0H7Zss8=
+github.com/cenkalti/backoff/v5 v5.0.2/go.mod h1:rkhZdG3JZukswDf7f0cwqPNk4K0sa+F97BxZthm/crw=
 github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
 github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/coreos/go-systemd/v22 v22.5.0/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/felixge/httpsnoop v1.0.4 h1:NFTV2Zj1bL4mc9sqWACXbQFVBBg2W3GPvqp8/ESS2Wg=
 github.com/felixge/httpsnoop v1.0.4/go.mod h1:m8KPJKqk1gH5J9DgRY2ASl2lWCfGKXixSwevea8zH2U=
 github.com/go-logr/logr v1.2.2/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
-github.com/go-logr/logr v1.4.2 h1:6pFjapn8bFcIbiKo3XT4j/BhANplGihG6tvd+8rYgrY=
-github.com/go-logr/logr v1.4.2/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
+github.com/go-logr/logr v1.4.3 h1:CjnDlHq8ikf6E492q6eKboGOC0T8CDaOvkHCIg8idEI=
+github.com/go-logr/logr v1.4.3/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
 github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag=
 github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE=
 github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
 github.com/golang/protobuf v1.5.4 h1:i7eJL8qZTpSEXOPTxNKhASYpMn+8e5Q6AdndVa1dWek=
 github.com/golang/protobuf v1.5.4/go.mod h1:lnTiLA8Wa4RWRcIUkrtSVa5nRhsEGBg48fD6rSs7xps=
+github.com/google/cel-go v0.26.0 h1:DPGjXackMpJWH680oGY4lZhYjIameYmR+/6RBdDGmaI=
+github.com/google/cel-go v0.26.0/go.mod h1:A9O8OU9rdvrK5MQyrqfIxo1a0u4g3sF8KB6PUIaryMM=
 github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
 github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
 github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
 github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+github.com/grafana/regexp v0.0.0-20240518133315-a468a5bfb3bc h1:GN2Lv3MGO7AS6PrRoT6yV5+wkrOpcszoIsO4+4ds248=
+github.com/grafana/regexp v0.0.0-20240518133315-a468a5bfb3bc/go.mod h1:+JKpmjMGhpgPL+rXZ5nsZieVzvarn86asRlBg4uNGnk=
 github.com/grpc-ecosystem/go-grpc-middleware/v2 v2.3.2 h1:sGm2vDRFUrQJO/Veii4h4zG2vvqG6uWNkBHSTqXOZk0=
 github.com/grpc-ecosystem/go-grpc-middleware/v2 v2.3.2/go.mod h1:wd1YpapPLivG6nQgbf7ZkG1hhSOXDhhn4MLTknx2aAc=
-github.com/grpc-ecosystem/grpc-gateway/v2 v2.26.3 h1:5ZPtiqj0JL5oKWmcsq4VMaAW5ukBEgSGXEN89zeH1Jo=
-github.com/grpc-ecosystem/grpc-gateway/v2 v2.26.3/go.mod h1:ndYquD05frm2vACXE1nsccT4oJzjhw2arTS2cpUD1PI=
+github.com/grpc-ecosystem/grpc-gateway/v2 v2.27.1 h1:X5VWvz21y3gzm9Nw/kaUeku/1+uBhcekkmy4IkffJww=
+github.com/grpc-ecosystem/grpc-gateway/v2 v2.27.1/go.mod h1:Zanoh4+gvIgluNqcfMVTJueD4wSS5hT7zTt4Mrutd90=
 github.com/iancoleman/orderedmap v0.3.0 h1:5cbR2grmZR/DiVt+VJopEhtVs9YGInGIxAoMJn+Ichc=
 github.com/iancoleman/orderedmap v0.3.0/go.mod h1:XuLcCUkdL5owUCQeF2Ue9uuw1EptkJDkXXS7VoV7XGE=
 github.com/klauspost/compress v1.18.0 h1:c/Cqfb0r+Yi+JtIEq73FWXVkRonBlf0CRNYc8Zttxdo=
@@ -57,10 +70,12 @@ github.com/prometheus/client_golang v1.22.0 h1:rb93p9lokFEsctTys46VnV1kLCDpVZ0a/
 github.com/prometheus/client_golang v1.22.0/go.mod h1:R7ljNsLXhuQXYZYtw6GAE9AZg8Y7vEW5scdCXrWRXC0=
 github.com/prometheus/client_model v0.6.2 h1:oBsgwpGs7iVziMvrGhE53c/GrLUsZdHnqNwqPLxwZyk=
 github.com/prometheus/client_model v0.6.2/go.mod h1:y3m2F6Gdpfy6Ut/GBsUqTWZqCUvMVzSfMLjcu6wAwpE=
-github.com/prometheus/common v0.63.0 h1:YR/EIY1o3mEFP/kZCD7iDMnLPlGyuU2Gb3HIcXnA98k=
-github.com/prometheus/common v0.63.0/go.mod h1:VVFF/fBIoToEnWRVkYoXEkq3R3paCoxG9PXP74SnV18=
-github.com/prometheus/procfs v0.16.1 h1:hZ15bTNuirocR6u0JZ6BAHHmwS1p8B4P6MRqxtzMyRg=
-github.com/prometheus/procfs v0.16.1/go.mod h1:teAbpZRB1iIAJYREa1LsoWUXykVXA1KlTmWl8x/U+Is=
+github.com/prometheus/common v0.65.0 h1:QDwzd+G1twt//Kwj/Ww6E9FQq1iVMmODnILtW1t2VzE=
+github.com/prometheus/common v0.65.0/go.mod h1:0gZns+BLRQ3V6NdaerOhMbwwRbNh9hkGINtQAsP5GS8=
+github.com/prometheus/otlptranslator v0.0.0-20250717125610-8549f4ab4f8f h1:QQB6SuvGZjK8kdc2YaLJpYhV8fxauOsjE6jgcL6YJ8Q=
+github.com/prometheus/otlptranslator v0.0.0-20250717125610-8549f4ab4f8f/go.mod h1:P8AwMgdD7XEr6QRUJ2QWLpiAZTgTE2UYgjlu3svompI=
+github.com/prometheus/procfs v0.17.0 h1:FuLQ+05u4ZI+SS/w9+BWEM2TXiHKsUQ9TADiRH7DuK0=
+github.com/prometheus/procfs v0.17.0/go.mod h1:oPQLaDAMRbA+u8H5Pbfq+dl3VDAvHxMUOVhe0wYB2zw=
 github.com/rogpeppe/go-internal v1.13.1 h1:KvO1DLK/DRN07sQ1LQKScxyZJuNnedQ5/wKSR38lUII=
 github.com/rogpeppe/go-internal v1.13.1/go.mod h1:uMEvuHeurkdAXX61udpOXGD/AzZDWNMNyH2VO9fmH0o=
 github.com/rs/xid v1.6.0/go.mod h1:7XoLgs4eV+QndskICGsho+ADou8ySMSjJKDIan90Nz0=
@@ -68,69 +83,80 @@ github.com/rs/zerolog v1.34.0 h1:k43nTLIwcTVQAncfCw4KZ2VY6ukYoZaBPNOE8txlOeY=
 github.com/rs/zerolog v1.34.0/go.mod h1:bJsvje4Z08ROH4Nhs5iH600c3IkWhwp44iRc54W6wYQ=
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+github.com/stoewer/go-strcase v1.3.1 h1:iS0MdW+kVTxgMoE1LAZyMiYJFKlOzLooE4MxjirtkAs=
+github.com/stoewer/go-strcase v1.3.1/go.mod h1:fAH5hQ5pehh+j3nZfvwdk2RgEgQjAoM8wodgtPmh1xo=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
+github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
+github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
+github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
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-github.com/swaggest/jsonschema-go v0.3.73 h1:gU1pBzF3pkZ1GDD3dRMdQoCjrA0sldJ+QcM7aSSPgvc=
-github.com/swaggest/jsonschema-go v0.3.73/go.mod h1:qp+Ym2DIXHlHzch3HKz50gPf2wJhKOrAB/VYqLS2oJU=
-github.com/swaggest/refl v1.3.1 h1:XGplEkYftR7p9cz1lsiwXMM2yzmOymTE9vneVVpaOh4=
-github.com/swaggest/refl v1.3.1/go.mod h1:4uUVFVfPJ0NSX9FPwMPspeHos9wPFlCMGoPRllUbpvA=
+github.com/swaggest/jsonschema-go v0.3.78 h1:5+YFQrLxOR8z6CHvgtZc42WRy/Q9zRQQ4HoAxlinlHw=
+github.com/swaggest/jsonschema-go v0.3.78/go.mod h1:4nniXBuE+FIGkOGuidjOINMH7OEqZK3HCSbfDuLRI0g=
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+github.com/swaggest/refl v1.4.0/go.mod h1:4uUVFVfPJ0NSX9FPwMPspeHos9wPFlCMGoPRllUbpvA=
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 github.com/yudai/gojsondiff v1.0.0/go.mod h1:AY32+k2cwILAkW1fbgxQ5mUmMiZFgLIV+FBNExI05xg=
 github.com/yudai/golcs v0.0.0-20170316035057-ecda9a501e82 h1:BHyfKlQyqbsFN5p3IfnEUduWvb9is428/nNb5L3U01M=
 github.com/yudai/golcs v0.0.0-20170316035057-ecda9a501e82/go.mod h1:lgjkn3NuSvDfVJdfcVVdX+jpBxNmX4rDAzaS45IcYoM=
 go.opentelemetry.io/auto/sdk v1.1.0 h1:cH53jehLUN6UFLY71z+NDOiNJqDdPRaXzTel0sJySYA=
 go.opentelemetry.io/auto/sdk v1.1.0/go.mod h1:3wSPjt5PWp2RhlCcmmOial7AvC4DQqZb7a7wCow3W8A=
-go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.60.0 h1:x7wzEgXfnzJcHDwStJT+mxOz4etr2EcexjqhBvmoakw=
-go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.60.0/go.mod h1:rg+RlpR5dKwaS95IyyZqj5Wd4E13lk/msnTS0Xl9lJM=
-go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.60.0 h1:sbiXRNDSWJOTobXh5HyQKjq6wUC5tNybqjIqDpAY4CU=
-go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.60.0/go.mod h1:69uWxva0WgAA/4bu2Yy70SLDBwZXuQ6PbBpbsa5iZrQ=
-go.opentelemetry.io/otel v1.35.0 h1:xKWKPxrxB6OtMCbmMY021CqC45J+3Onta9MqjhnusiQ=
-go.opentelemetry.io/otel v1.35.0/go.mod h1:UEqy8Zp11hpkUrL73gSlELM0DupHoiq72dR+Zqel/+Y=
-go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc v1.35.0 h1:QcFwRrZLc82r8wODjvyCbP7Ifp3UANaBSmhDSFjnqSc=
-go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc v1.35.0/go.mod h1:CXIWhUomyWBG/oY2/r/kLp6K/cmx9e/7DLpBuuGdLCA=
-go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.35.0 h1:1fTNlAIJZGWLP5FVu0fikVry1IsiUnXjf7QFvoNN3Xw=
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-go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.35.0 h1:m639+BofXTvcY1q8CGs4ItwQarYtJPOWmVobfM1HpVI=
-go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.35.0/go.mod h1:LjReUci/F4BUyv+y4dwnq3h/26iNOeC3wAIqgvTIZVo=
-go.opentelemetry.io/otel/exporters/prometheus v0.57.0 h1:AHh/lAP1BHrY5gBwk8ncc25FXWm/gmmY3BX258z5nuk=
-go.opentelemetry.io/otel/exporters/prometheus v0.57.0/go.mod h1:QpFWz1QxqevfjwzYdbMb4Y1NnlJvqSGwyuU0B4iuc9c=
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-go.opentelemetry.io/otel/exporters/stdout/stdoutmetric v1.35.0/go.mod h1:U2R3XyVPzn0WX7wOIypPuptulsMcPDPs/oiSVOMVnHY=
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-go.opentelemetry.io/otel/metric v1.35.0 h1:0znxYu2SNyuMSQT4Y9WDWej0VpcsxkuklLa4/siN90M=
-go.opentelemetry.io/otel/metric v1.35.0/go.mod h1:nKVFgxBZ2fReX6IlyW28MgZojkoAkJGaE8CpgeAU3oE=
-go.opentelemetry.io/otel/sdk v1.35.0 h1:iPctf8iprVySXSKJffSS79eOjl9pvxV9ZqOWT0QejKY=
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-go.opentelemetry.io/otel/sdk/metric v1.35.0 h1:1RriWBmCKgkeHEhM7a2uMjMUfP7MsOF5JpUCaEqEI9o=
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-go.opentelemetry.io/proto/otlp v1.6.0/go.mod h1:cicgGehlFuNdgZkcALOCh3VE6K/u2tAjzlRhDwmVpZc=
+go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.62.0 h1:rbRJ8BBoVMsQShESYZ0FkvcITu8X8QNwJogcLUmDNNw=
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+go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.62.0 h1:Hf9xI/XLML9ElpiHVDNwvqI0hIFlzV8dgIr35kV1kRU=
+go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.62.0/go.mod h1:NfchwuyNoMcZ5MLHwPrODwUF1HWCXWrL31s8gSAdIKY=
+go.opentelemetry.io/otel v1.37.0 h1:9zhNfelUvx0KBfu/gb+ZgeAfAgtWrfHJZcAqFC228wQ=
+go.opentelemetry.io/otel v1.37.0/go.mod h1:ehE/umFRLnuLa/vSccNq9oS1ErUlkkK71gMcN34UG8I=
+go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc v1.37.0 h1:zG8GlgXCJQd5BU98C0hZnBbElszTmUgCNCfYneaDL0A=
+go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc v1.37.0/go.mod h1:hOfBCz8kv/wuq73Mx2H2QnWokh/kHZxkh6SNF2bdKtw=
+go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.37.0 h1:Ahq7pZmv87yiyn3jeFz/LekZmPLLdKejuO3NcK9MssM=
+go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.37.0/go.mod h1:MJTqhM0im3mRLw1i8uGHnCvUEeS7VwRyxlLC78PA18M=
+go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.37.0 h1:EtFWSnwW9hGObjkIdmlnWSydO+Qs8OwzfzXLUPg4xOc=
+go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.37.0/go.mod h1:QjUEoiGCPkvFZ/MjK6ZZfNOS6mfVEVKYE99dFhuN2LI=
+go.opentelemetry.io/otel/exporters/prometheus v0.59.1 h1:HcpSkTkJbggT8bjYP+BjyqPWlD17BH9C5CYNKeDzmcA=
+go.opentelemetry.io/otel/exporters/prometheus v0.59.1/go.mod h1:0FJL+gjuUoM07xzik3KPBaN+nz/CoB15kV6WLMiXZag=
+go.opentelemetry.io/otel/exporters/stdout/stdoutmetric v1.37.0 h1:6VjV6Et+1Hd2iLZEPtdV7vie80Yyqf7oikJLjQ/myi0=
+go.opentelemetry.io/otel/exporters/stdout/stdoutmetric v1.37.0/go.mod h1:u8hcp8ji5gaM/RfcOo8z9NMnf1pVLfVY7lBY2VOGuUU=
+go.opentelemetry.io/otel/exporters/stdout/stdouttrace v1.37.0 h1:SNhVp/9q4Go/XHBkQ1/d5u9P/U+L1yaGPoi0x+mStaI=
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+go.opentelemetry.io/otel/metric v1.37.0 h1:mvwbQS5m0tbmqML4NqK+e3aDiO02vsf/WgbsdpcPoZE=
+go.opentelemetry.io/otel/metric v1.37.0/go.mod h1:04wGrZurHYKOc+RKeye86GwKiTb9FKm1WHtO+4EVr2E=
+go.opentelemetry.io/otel/sdk v1.37.0 h1:ItB0QUqnjesGRvNcmAcU0LyvkVyGJ2xftD29bWdDvKI=
+go.opentelemetry.io/otel/sdk v1.37.0/go.mod h1:VredYzxUvuo2q3WRcDnKDjbdvmO0sCzOvVAiY+yUkAg=
+go.opentelemetry.io/otel/sdk/metric v1.37.0 h1:90lI228XrB9jCMuSdA0673aubgRobVZFhbjxHHspCPc=
+go.opentelemetry.io/otel/sdk/metric v1.37.0/go.mod h1:cNen4ZWfiD37l5NhS+Keb5RXVWZWpRE+9WyVCpbo5ps=
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+go.opentelemetry.io/otel/trace v1.37.0/go.mod h1:TlgrlQ+PtQO5XFerSPUYG0JSgGyryXewPGyayAWSBS0=
+go.opentelemetry.io/proto/otlp v1.7.0 h1:jX1VolD6nHuFzOYso2E73H85i92Mv8JQYk0K9vz09os=
+go.opentelemetry.io/proto/otlp v1.7.0/go.mod h1:fSKjH6YJ7HDlwzltzyMj036AJ3ejJLCgCSHGj4efDDo=
 go.uber.org/goleak v1.3.0 h1:2K3zAYmnTNqV73imy9J1T3WC+gmCePx2hEGkimedGto=
 go.uber.org/goleak v1.3.0/go.mod h1:CoHD4mav9JJNrW/WLlf7HGZPjdw8EucARQHekz1X6bE=
-golang.org/x/net v0.39.0 h1:ZCu7HMWDxpXpaiKdhzIfaltL9Lp31x/3fCP11bc6/fY=
-golang.org/x/net v0.39.0/go.mod h1:X7NRbYVEA+ewNkCNyJ513WmMdQ3BineSwVtN2zD/d+E=
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+golang.org/x/net v0.42.0 h1:jzkYrhi3YQWD6MLBJcsklgQsoAcw89EcZbJw8Z614hs=
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 golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.12.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.32.0 h1:s77OFDvIQeibCmezSnk/q6iAfkdiQaJi4VzroCFrN20=
-golang.org/x/sys v0.32.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
-golang.org/x/text v0.24.0 h1:dd5Bzh4yt5KYA8f9CJHCP4FB4D51c2c6JvN37xJJkJ0=
-golang.org/x/text v0.24.0/go.mod h1:L8rBsPeo2pSS+xqN0d5u2ikmjtmoJbDBT1b7nHvFCdU=
-google.golang.org/genproto/googleapis/api v0.0.0-20250428153025-10db94c68c34 h1:0PeQib/pH3nB/5pEmFeVQJotzGohV0dq4Vcp09H5yhE=
-google.golang.org/genproto/googleapis/api v0.0.0-20250428153025-10db94c68c34/go.mod h1:0awUlEkap+Pb1UMeJwJQQAdJQrt3moU7J2moTy69irI=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20250428153025-10db94c68c34 h1:h6p3mQqrmT1XkHVTfzLdNz1u7IhINeZkz67/xTbOuWs=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20250428153025-10db94c68c34/go.mod h1:qQ0YXyHHx3XkvlzUtpXDkS29lDSafHMZBAZDc03LQ3A=
-google.golang.org/grpc v1.72.0 h1:S7UkcVa60b5AAQTaO6ZKamFp1zMZSU0fGDK2WZLbBnM=
-google.golang.org/grpc v1.72.0/go.mod h1:wH5Aktxcg25y1I3w7H69nHfXdOG3UiadoBtjh3izSDM=
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 google.golang.org/protobuf v1.36.6/go.mod h1:jduwjTPXsFjZGTmRluh+L6NjiWu7pchiJ2/5YcXBHnY=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

pkg/config/config.go

@@ -1,3 +1,7 @@
+// Package config provides types and methods for managing
+// app config. A go-app configuration can be extended by any type
+// that embeds AppConfig, and has helpers to generate json
+// schema merged with the custom type's fields
 package config
 
 import (

pkg/config/types_grpc.go

@@ -13,6 +13,7 @@ type GRPCConfig struct {
 	Enabled               bool   `yaml:"enabled" env:"APP_GRPC_ENABLED" json:"enabled,omitempty"`
 	Listen                string `yaml:"listen" env:"APP_GRPC_LISTEN" json:"listen,omitempty"`
 	LogRequests           bool   `yaml:"logRequests" env:"APP_GRPC_LOG_REQUESTS" json:"logRequests,omitempty"`
+	EnableProtovalidate   bool   `yaml:"enableProtovalidate" env:"APP_GRPC_ENABLE_PROTOVALIDATE" json:"enableProtovalidate,omitempty" default:"false" description:"Add a chain unary and streaming interceptor for buf.build/go/protovalidate"`
 	EnableReflection      bool   `yaml:"enableReflection" env:"APP_GRPC_ENABLE_REFLECTION" json:"enableReflection,omitempty"`
 	EnableInstrumentation bool   `yaml:"enableInstrumentation" env:"APP_GRPC_ENABLE_INSTRUMENTATION" json:"enableInstrumentation,omitempty"` // requires OTEL
 	EnableGRPCGateway     bool   `yaml:"enableGRPCGateway" json:"enableGRPCGateway,omitempty" env:"APP_GRPC_ENABLE_GATEWAY" default:"true"`

pkg/srv/grpc/prepare.go

@@ -4,7 +4,9 @@ import (
 	"context"
 	"errors"
 
+	"buf.build/go/protovalidate"
 	grpclogging "github.com/grpc-ecosystem/go-grpc-middleware/v2/interceptors/logging"
+	protovalidate_middleware "github.com/grpc-ecosystem/go-grpc-middleware/v2/interceptors/protovalidate"
 	"go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc"
 	"go.opentelemetry.io/otel"
 	"go.opentelemetry.io/otel/attribute"
@@ -29,6 +31,7 @@ func (a *appGRPCServer) prepGRPCServer(spanCtx context.Context) error {
 	// Prepare GRPC Server Opts
 	a.prepareOTEL(ctx)
 	a.prepareLogging(ctx)
+	a.prepareProtovalidate(ctx)
 
 	// Chain interceptors for unary RPCs
 	a.serverOpts = append(a.serverOpts,
@@ -69,6 +72,28 @@ func (a *appGRPCServer) prepGRPCServer(spanCtx context.Context) error {
 	return nil
 }
 
+// prepareProtovalidate() adds interceptors for buf.build protovalidate
+func (a *appGRPCServer) prepareProtovalidate(spanCtx context.Context) {
+	_, span := a.tracer.Start(spanCtx, "appgrpc.init.prepare.protovalidate", trace.WithAttributes(
+		attribute.Bool("grpc.server.protovalidate", a.opts.EnableProtovalidate)))
+	defer span.End()
+
+	if !a.opts.EnableProtovalidate {
+		return
+	}
+
+	validator, err := protovalidate.New()
+	if err != nil {
+		span.RecordError(err)
+	}
+
+	a.opts.UnaryInterceptors = append(a.opts.UnaryInterceptors,
+		protovalidate_middleware.UnaryServerInterceptor(validator))
+
+	a.opts.StreamInterceptors = append(a.opts.StreamInterceptors,
+		protovalidate_middleware.StreamServerInterceptor(validator))
+}
+
 func (a *appGRPCServer) prepareOTEL(spanCtx context.Context) {
 	_, span := a.tracer.Start(spanCtx, "appgrpc.init.prepare.otel", trace.WithAttributes(
 		attribute.Bool("grpc.server.instrumented", a.opts.EnableInstrumentation)))