Initial Commit

.formatter.exs

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+# Used by "mix format"
+[
+  inputs: ["{mix,.formatter}.exs", "{config,lib,test}/**/*.{ex,exs}"]
+]

.github/workflows/elixir.yml

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+name: Elixir CI
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    name: OTP ${{matrix.otp}} / Elixir ${{matrix.elixir}}
+
+    env:
+      MIX_ENV: test
+      TEST_ENV: github
+
+    services:
+      postgres:
+        image: postgres
+        env:
+          POSTGRES_PASSWORD: postgres
+        options: >-
+          --health-cmd pg_isready
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
+        ports:
+          - 5432:5432
+
+    strategy:
+      matrix:
+        otp: ['24.x', '25.x']
+        elixir: ['1.12.3', '1.13.4', '1.14.3']
+        exclude:
+          - otp: '25.x'
+            elixir: '1.12.3'
+
+    steps:
+      - uses: actions/checkout@v3
+      - uses: erlef/setup-beam@v1
+        with:
+          otp-version: ${{matrix.otp}}
+          elixir-version: ${{matrix.elixir}}
+      - run: mix do deps.get, deps.compile
+      - run: mix do ecto.create, ecto.migrate
+      - run: mix test

.github/workflows/release.yml

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+name: Docker Release
+
+on:
+  release:
+    types: [published]
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    strategy:
+      matrix:
+        include:
+          - arch: linux/amd64
+            FORCE_RUST_BUILD: 0
+          #- arch: linux/arm64
+          #  FORCE_RUST_BUILD: 1
+
+    steps:
+      - uses: actions/checkout@v3
+      - uses: docker/login-action@v2
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - uses: docker/setup-buildx-action@v2
+      - uses: docker/metadata-action@v4
+        id: meta
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+      - uses: docker/build-push-action@v4
+        with:
+          context: .
+          push: true
+          platforms: ${{ matrix.arch }}
+          build-args: FORCE_RUST_BUILD=${{ matrix.FORCE_RUST_BUILD }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}

.gitignore

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+# The directory Mix will write compiled artifacts to.
+/_build/
+
+# If you run "mix test --cover", coverage assets end up here.
+/cover/
+
+# The directory Mix downloads your dependencies sources to.
+/deps/
+
+# Where third-party dependencies like ExDoc output generated docs.
+/doc/
+
+# Ignore .fetch files in case you like to edit your project deps locally.
+/.fetch
+
+# If the VM crashes, it generates a dump, let's ignore it too.
+erl_crash.dump
+
+# Also ignore archive artifacts (built via "mix archive.build").
+*.ez
+
+# Ignore package tarball (built via "mix hex.build").
+nex-*.tar
+
+# Temporary files, for example, from tests.
+/tmp/
+
+# Local ignores
+.DS_Store

Dockerfile

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+## 
+# BUILD STAGE
+# ===========
+FROM elixir:1.14-otp-24-alpine AS build
+
+# Install build deps
+RUN apk update && \
+    apk add --no-cache bash build-base curl git libgcc python3
+
+RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
+ENV RUSTUP_HOME=/root/.rustup \
+    RUSTFLAGS="-C target-feature=-crt-static" \
+    CARGO_HOME=/root/.cargo  \
+    PATH="/root/.cargo/bin:$PATH"
+
+# Prepare build
+WORKDIR /build
+ENV HOME=/build
+ENV MIX_ENV=prod
+ARG FORCE_RUST_BUILD=0
+ENV RUSTLER_PRECOMPILATION_EXAMPLE_BUILD=${FORCE_RUST_BUILD}
+
+# Install Hex and Rebar
+RUN mix local.hex --force && \
+    mix local.rebar --force
+
+# Install mix dependencies
+COPY mix.exs mix.lock ./
+COPY config config
+RUN mix do deps.get, deps.compile
+
+# Compile app
+COPY lib lib
+COPY priv priv
+RUN mix compile
+RUN mix release
+
+##
+# APP STAGE
+# =========
+FROM alpine:3.16 AS app
+
+LABEL org.opencontainers.image.title="Nex"
+LABEL org.opencontainers.image.description="Nex is a performance nostr relay, written in Elixir"
+LABEL org.opencontainers.image.source="https://github.com/lebrunel/nex"
+LABEL org.opencontainers.image.source="https://hexdocs.pm/nex"
+LABEL org.opencontainers.image.authors="lebrunel"
+LABEL org.opencontainers.image.licenses="Apache-2.0"
+
+# Runtime deps
+RUN apk update && \
+    apk add --no-cache bash libgcc libstdc++ ncurses-libs openssl-dev
+
+RUN mkdir /app
+WORKDIR /app
+
+COPY --from=build /build/_build/prod/rel/nex ./
+
+CMD ["bin/nex", "start"]

Dockerfile.railway

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+FROM ghcr.io/lebrunel/nex:latest
+
+WORKDIR /app
+
+ARG PORT
+ARG DATABASE_URL
+ARG PGHOST
+ARG PGPORT
+ARG PGDATABASE
+ARG PGUSER
+ARG PGPASSWORD
+
+ENV PORT=$PORT
+ENV DATABASE_URL=$DATABASE_URL
+ENV DB_HOST=$PGHOST
+ENV DB_PORT=$PGPORT
+ENV DB_NAME=$PGDATABASE
+ENV DB_USER=$PGUSER
+ENV DB_PASSWORD=$PGPASSWORD
+
+RUN bin/nex eval "Nex.Release.migrate()"
+
+LABEL org.opencontainers.image.title="Nex"
+LABEL org.opencontainers.image.description="Nex is a performance nostr relay, written in Elixir"
+LABEL org.opencontainers.image.source="https://github.com/lebrunel/nex"
+LABEL org.opencontainers.image.source="https://hexdocs.pm/nex"
+LABEL org.opencontainers.image.authors="lebrunel"
+LABEL org.opencontainers.image.licenses="Apache-2.0"
+
+CMD ["bin/nex", "start"]