From ea4e51d629647ab65e38ba29e365470370e279fc Mon Sep 17 00:00:00 2001 From: highperfocused Date: Sat, 27 Dec 2025 21:19:47 +0100 Subject: [PATCH] initial code commit --- .dockerignore | 34 ++++++++++++++ .gitignore | 0 Dockerfile | 78 ++++++++++++++++++++++++++++++++ README.Docker.md | 22 +++++++++ compose.yaml | 35 +++++++++++++++ go.mod | 47 +++++++++++++++++++ go.sum | 114 +++++++++++++++++++++++++++++++++++++++++++++++ main.go | 82 ++++++++++++++++++++++++++++++++++ 8 files changed, 412 insertions(+) create mode 100644 .dockerignore create mode 100644 .gitignore create mode 100644 Dockerfile create mode 100644 README.Docker.md create mode 100644 compose.yaml create mode 100644 go.mod create mode 100644 go.sum create mode 100644 main.go diff --git a/.dockerignore b/.dockerignore new file mode 100644 index 0000000..11f25ed --- /dev/null +++ b/.dockerignore @@ -0,0 +1,34 @@ +# Include any files or directories that you don't want to be copied to your +# container here (e.g., local build artifacts, temporary files, etc.). +# +# For more help, visit the .dockerignore file reference guide at +# https://docs.docker.com/go/build-context-dockerignore/ + +**/.DS_Store +**/.classpath +**/.dockerignore +**/.env +**/.git +**/.gitignore +**/.project +**/.settings +**/.toolstarget +**/.vs +**/.vscode +**/*.*proj.user +**/*.dbmdl +**/*.jfm +**/bin +**/charts +**/docker-compose* +**/compose.y*ml +**/Dockerfile* +**/node_modules +**/npm-debug.log +**/obj +**/secrets.dev.yaml +**/values.dev.yaml +LICENSE +README.md + +db/ \ No newline at end of file diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..e69de29 diff --git a/Dockerfile b/Dockerfile new file mode 100644 index 0000000..229fc0a --- /dev/null +++ b/Dockerfile @@ -0,0 +1,78 @@ +# syntax=docker/dockerfile:1 + +# Comments are provided throughout this file to help you get started. +# If you need more help, visit the Dockerfile reference guide at +# https://docs.docker.com/go/dockerfile-reference/ + +# Want to help us make this template better? Share your feedback here: https://forms.gle/ybq9Krt8jtBL3iCk7 + +################################################################################ +# Create a stage for building the application. +ARG GO_VERSION=1.24.2 +FROM --platform=$BUILDPLATFORM golang:${GO_VERSION} AS build +WORKDIR /src + +# Download dependencies as a separate step to take advantage of Docker's caching. +# Leverage a cache mount to /go/pkg/mod/ to speed up subsequent builds. +# Leverage bind mounts to go.sum and go.mod to avoid having to copy them into +# the container. +RUN --mount=type=cache,target=/go/pkg/mod/ \ + --mount=type=bind,source=go.sum,target=go.sum \ + --mount=type=bind,source=go.mod,target=go.mod \ + go mod download -x + +# This is the architecture you're building for, which is passed in by the builder. +# Placing it here allows the previous steps to be cached across architectures. +ARG TARGETARCH + +# Build the application. +# Leverage a cache mount to /go/pkg/mod/ to speed up subsequent builds. +# Leverage a bind mount to the current directory to avoid having to copy the +# source code into the container. +RUN --mount=type=cache,target=/go/pkg/mod/ \ + --mount=type=bind,target=. \ + CGO_ENABLED=0 GOARCH=$TARGETARCH go build -o /bin/server . + +################################################################################ +# Create a new stage for running the application that contains the minimal +# runtime dependencies for the application. This often uses a different base +# image from the build stage where the necessary files are copied from the build +# stage. +# +# The example below uses the alpine image as the foundation for running the app. +# By specifying the "latest" tag, it will also use whatever happens to be the +# most recent version of that image when you build your Dockerfile. If +# reproducibility is important, consider using a versioned tag +# (e.g., alpine:3.17.2) or SHA (e.g., alpine@sha256:c41ab5c992deb4fe7e5da09f67a8804a46bd0592bfdf0b1847dde0e0889d2bff). +FROM alpine:latest AS final + +# Install any runtime dependencies that are needed to run your application. +# Leverage a cache mount to /var/cache/apk/ to speed up subsequent builds. +RUN --mount=type=cache,target=/var/cache/apk \ + apk --update add \ + ca-certificates \ + tzdata \ + && \ + update-ca-certificates + +# Create a non-privileged user that the app will run under. +# See https://docs.docker.com/go/dockerfile-user-best-practices/ +ARG UID=10001 +RUN adduser \ + --disabled-password \ + --gecos "" \ + --home "/nonexistent" \ + --shell "/sbin/nologin" \ + --no-create-home \ + --uid "${UID}" \ + appuser +USER appuser + +# Copy the executable from the "build" stage. +COPY --from=build /bin/server /bin/ + +# Expose the port that the application listens on. +EXPOSE 3334 + +# What the container should run when it is started. +ENTRYPOINT [ "/bin/server" ] \ No newline at end of file diff --git a/README.Docker.md b/README.Docker.md new file mode 100644 index 0000000..75050b9 --- /dev/null +++ b/README.Docker.md @@ -0,0 +1,22 @@ +### Building and running your application + +When you're ready, start your application by running: +`docker compose up --build`. + +Your application will be available at http://localhost:3334. + +### Deploying your application to the cloud + +First, build your image, e.g.: `docker build -t myapp .`. +If your cloud uses a different CPU architecture than your development +machine (e.g., you are on a Mac M1 and your cloud provider is amd64), +you'll want to build the image for that platform, e.g.: +`docker build --platform=linux/amd64 -t myapp .`. + +Then, push it to your registry, e.g. `docker push myregistry.com/myapp`. + +Consult Docker's [getting started](https://docs.docker.com/go/get-started-sharing/) +docs for more detail on building and pushing. + +### References +* [Docker's Go guide](https://docs.docker.com/language/golang/) \ No newline at end of file diff --git a/compose.yaml b/compose.yaml new file mode 100644 index 0000000..c2a5ed4 --- /dev/null +++ b/compose.yaml @@ -0,0 +1,35 @@ +services: + server: + build: + context: . + target: final + ports: + - 3334:3334 + depends_on: + db: + condition: service_healthy + environment: + - RELAY_NAME=layer.systems relay + - RELAY_PUBKEY=480ec1a7516406090dc042ddf67780ef30f26f3a864e83b417c053a5a611c838 + - RELAY_DESCRIPTION=this is a public relay + - RELAY_ICON=https://external-content.duckduckgo.com/iu/?u=https%3A%2F%2Fliquipedia.net%2Fcommons%2Fimages%2F3%2F35%2FSCProbe.jpg&f=1&nofb=1&ipt=0cbbfef25bce41da63d910e86c3c343e6c3b9d63194ca9755351bb7c2efa3359&ipo=images + db: + image: postgres + restart: always + user: postgres + volumes: + - db-data:/var/lib/postgresql/data + environment: + - POSTGRES_DB=khatru-relay + - POSTGRES_PASSWORD=postgres + - POSTGRES_USER=postgres + # expose: + # - 5432 + healthcheck: + test: [ "CMD", "pg_isready" ] + interval: 10s + timeout: 5s + retries: 5 + +volumes: + db-data: \ No newline at end of file diff --git a/go.mod b/go.mod new file mode 100644 index 0000000..c23afe4 --- /dev/null +++ b/go.mod @@ -0,0 +1,47 @@ +module github.com/layer-systems/relay + +go 1.24.4 + +require ( + github.com/fiatjaf/eventstore v0.16.2 + github.com/fiatjaf/khatru v0.19.1 +) + +require ( + fiatjaf.com/lib v0.2.0 // indirect + github.com/ImVexed/fasturl v0.0.0-20230304231329-4e41488060f3 // indirect + github.com/andybalholm/brotli v1.1.1 // indirect + github.com/bep/debounce v1.2.1 // indirect + github.com/btcsuite/btcd/btcec/v2 v2.3.4 // indirect + github.com/btcsuite/btcd/chaincfg/chainhash v1.1.0 // indirect + github.com/bytedance/sonic v1.13.2 // indirect + github.com/bytedance/sonic/loader v0.2.4 // indirect + github.com/cloudwego/base64x v0.1.5 // indirect + github.com/coder/websocket v1.8.13 // indirect + github.com/decred/dcrd/crypto/blake256 v1.1.0 // indirect + github.com/decred/dcrd/dcrec/secp256k1/v4 v4.4.0 // indirect + github.com/fasthttp/websocket v1.5.12 // indirect + github.com/jmoiron/sqlx v1.4.0 // indirect + github.com/josharian/intern v1.0.0 // indirect + github.com/json-iterator/go v1.1.12 // indirect + github.com/klauspost/compress v1.18.0 // indirect + github.com/klauspost/cpuid/v2 v2.2.10 // indirect + github.com/lib/pq v1.10.9 // indirect + github.com/mailru/easyjson v0.9.0 // indirect + github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect + github.com/modern-go/reflect2 v1.0.2 // indirect + github.com/nbd-wtf/go-nostr v0.52.3 // indirect + github.com/puzpuzpuz/xsync/v3 v3.5.1 // indirect + github.com/rs/cors v1.11.1 // indirect + github.com/savsgio/gotils v0.0.0-20240704082632-aef3928b8a38 // indirect + github.com/tidwall/gjson v1.18.0 // indirect + github.com/tidwall/match v1.1.1 // indirect + github.com/tidwall/pretty v1.2.1 // indirect + github.com/twitchyliquid64/golang-asm v0.15.1 // indirect + github.com/valyala/bytebufferpool v1.0.0 // indirect + github.com/valyala/fasthttp v1.59.0 // indirect + golang.org/x/arch v0.16.0 // indirect + golang.org/x/exp v0.0.0-20250305212735-054e65f0b394 // indirect + golang.org/x/net v0.37.0 // indirect + golang.org/x/sys v0.32.0 // indirect +) diff --git a/go.sum b/go.sum new file mode 100644 index 0000000..82895fd --- /dev/null +++ b/go.sum @@ -0,0 +1,114 @@ +fiatjaf.com/lib v0.2.0 h1:TgIJESbbND6GjOgGHxF5jsO6EMjuAxIzZHPo5DXYexs= +fiatjaf.com/lib v0.2.0/go.mod h1:Ycqq3+mJ9jAWu7XjbQI1cVr+OFgnHn79dQR5oTII47g= +filippo.io/edwards25519 v1.1.0 h1:FNf4tywRC1HmFuKW5xopWpigGjJKiJSV0Cqo0cJWDaA= +filippo.io/edwards25519 v1.1.0/go.mod h1:BxyFTGdWcka3PhytdK4V28tE5sGfRvvvRV7EaN4VDT4= +github.com/ImVexed/fasturl v0.0.0-20230304231329-4e41488060f3 h1:ClzzXMDDuUbWfNNZqGeYq4PnYOlwlOVIvSyNaIy0ykg= +github.com/ImVexed/fasturl v0.0.0-20230304231329-4e41488060f3/go.mod h1:we0YA5CsBbH5+/NUzC/AlMmxaDtWlXeNsqrwXjTzmzA= 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h1:KdyPE+Igbe0jQUrVfMqDMeJQIJZEuyV7pjYmp6pbG50= diff --git a/main.go b/main.go new file mode 100644 index 0000000..dbf123a --- /dev/null +++ b/main.go @@ -0,0 +1,82 @@ +package main + +import ( + "fmt" + "net/http" + "os" + + "github.com/fiatjaf/eventstore/postgresql" + "github.com/fiatjaf/khatru" +) + +func getEnv(key, fallback string) string { + if value, exists := os.LookupEnv(key); exists { + return value + } + return fallback +} + +func main() { + // create the relay instance + relay := khatru.NewRelay() + + // set up some basic properties (will be returned on the NIP-11 endpoint) + relay.Info.Name = getEnv("RELAY_NAME", "layer.systems relay") + relay.Info.PubKey = getEnv("RELAY_PUBKEY", "480ec1a7516406090dc042ddf67780ef30f26f3a864e83b417c053a5a611c838") + relay.Info.Description = getEnv("RELAY_DESCRIPTION", "this is a public relay") + relay.Info.Icon = getEnv("RELAY_ICON", "https://external-content.duckduckgo.com/iu/?u=https%3A%2F%2Fliquipedia.net%2Fcommons%2Fimages%2F3%2F35%2FSCProbe.jpg&f=1&nofb=1&ipt=0cbbfef25bce41da63d910e86c3c343e6c3b9d63194ca9755351bb7c2efa3359&ipo=images") + + db := postgresql.PostgresBackend{DatabaseURL: getEnv("DATABASE_URL", "postgresql://postgres:postgres@db:5432/khatru-relay?sslmode=disable")} + if err := db.Init(); err != nil { + panic(err) + } + + relay.StoreEvent = append(relay.StoreEvent, db.SaveEvent) + relay.QueryEvents = append(relay.QueryEvents, db.QueryEvents) + relay.CountEvents = append(relay.CountEvents, db.CountEvents) + relay.DeleteEvent = append(relay.DeleteEvent, db.DeleteEvent) + relay.ReplaceEvent = append(relay.ReplaceEvent, db.ReplaceEvent) + + // // there are many other configurable things you can set + // relay.RejectEvent = append(relay.RejectEvent, + // // built-in policies + // policies.ValidateKind, + + // // define your own policies + // policies.PreventLargeTags(100), + // func(ctx context.Context, event *nostr.Event) (reject bool, msg string) { + // if event.PubKey == "fa984bd7dbb282f07e16e7ae87b26a2a7b9b90b7246a44771f0cf5ae58018f52" { + // return true, "we don't allow this person to write here" + // } + // return false, "" // anyone else can + // }, + // ) + + // // you can request auth by rejecting an event or a request with the prefix "auth-required: " + // relay.RejectFilter = append(relay.RejectFilter, + // // built-in policies + // policies.NoComplexFilters, + + // // define your own policies + // func(ctx context.Context, filter nostr.Filter) (reject bool, msg string) { + // if pubkey := khatru.GetAuthed(ctx); pubkey != "" { + // log.Printf("request from %s\n", pubkey) + // return false, "" + // } + // return true, "auth-required: only authenticated users can read from this relay" + // // (this will cause an AUTH message to be sent and then a CLOSED message such that clients can + // // authenticate and then request again) + // }, + // ) + + mux := relay.Router() + // set up other http handlers + mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) { + w.Header().Set("content-type", "text/html") + fmt.Fprintf(w, `welcome to my relay!`) + }) + + // start the server + fmt.Println("running on :3334") + http.ListenAndServe(":3334", relay) +}