commit ea4e51d629647ab65e38ba29e365470370e279fc Author: highperfocused Date: Sat Dec 27 21:19:47 2025 +0100 initial code commit 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) +}