build: package local and mini pc services

build/api.Dockerfile

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+FROM golang:1.26-alpine AS build
+
+WORKDIR /src
+COPY apps/api/go.mod apps/api/go.sum ./
+RUN go mod download
+
+COPY apps/api/ ./
+ARG APP_VERSION=dev
+RUN CGO_ENABLED=0 go build \
+    -trimpath \
+    -ldflags "-s -w -X main.appVersion=${APP_VERSION}" \
+    -o /out/nereus-api .
+
+FROM gcr.io/distroless/static:nonroot
+
+COPY --from=build /out/nereus-api /nereus-api
+EXPOSE 8080
+ENTRYPOINT ["/nereus-api"]

build/compose.mini.yaml

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+name: nereus-web
+
+services:
+  web:
+    build:
+      context: ..
+      dockerfile: build/web.Dockerfile
+      args:
+        WEB_ASSET_PATH: ${WEB_ASSET_PATH:-apps/web}
+    environment:
+      CLUSTER_API_UPSTREAM: ${CLUSTER_API_UPSTREAM:?set CLUSTER_API_UPSTREAM to the cluster host and port}
+    read_only: true
+    tmpfs:
+      - /etc/nginx/conf.d:size=1m,uid=101,gid=101,mode=0755
+      - /tmp:size=16m,mode=1777
+      - /var/cache/nginx:size=16m,mode=0755
+    security_opt:
+      - no-new-privileges:true
+    labels:
+      - traefik.enable=true
+      - traefik.http.routers.nereus-web.rule=Host(`${WEB_HOST:-nereus.fiwlabs.dev}`)
+      - traefik.http.routers.nereus-web.entrypoints=websecure
+      - traefik.http.routers.nereus-web.tls=true
+      - traefik.http.routers.nereus-web.tls.certresolver=porkbun
+      - traefik.http.services.nereus-web.loadbalancer.server.port=8080
+      - traefik.docker.network=proxy
+    networks:
+      - proxy
+    restart: unless-stopped
+
+networks:
+  proxy:
+    external: true

build/loadgen.Dockerfile

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+FROM golang:1.26-alpine AS build
+
+WORKDIR /src
+COPY apps/loadgen/go.mod ./
+RUN go mod download
+
+COPY apps/loadgen/ ./
+RUN CGO_ENABLED=0 go build \
+    -trimpath \
+    -ldflags "-s -w" \
+    -o /out/nereus-loadgen .
+
+FROM gcr.io/distroless/static:nonroot
+
+COPY --from=build /out/nereus-loadgen /nereus-loadgen
+ENTRYPOINT ["/nereus-loadgen"]

build/otel-collector.local.yaml

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+receivers:
+  otlp:
+    protocols:
+      grpc:
+        endpoint: 0.0.0.0:4317
+
+exporters:
+  debug:
+    verbosity: basic
+
+service:
+  pipelines:
+    traces:
+      receivers: [otlp]
+      exporters: [debug]

build/web.Dockerfile

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+FROM nginxinc/nginx-unprivileged:1.31.4-alpine
+
+COPY build/web.conf.template /etc/nginx/templates/default.conf.template
+ARG WEB_ASSET_PATH=apps/web
+COPY ${WEB_ASSET_PATH}/index.html ${WEB_ASSET_PATH}/styles.css ${WEB_ASSET_PATH}/app.js /usr/share/nginx/html/
+COPY ${WEB_ASSET_PATH}/assets/ /usr/share/nginx/html/assets/
+COPY ${WEB_ASSET_PATH}/vendor/ /usr/share/nginx/html/vendor/
+
+EXPOSE 8080

build/web.conf.template

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+server {
+    listen 8080;
+    server_name _;
+
+    root /usr/share/nginx/html;
+    index index.html;
+
+    location / {
+        try_files $uri $uri/ /index.html;
+    }
+
+    location /api/v1/ {
+        proxy_pass http://${CLUSTER_API_UPSTREAM};
+        proxy_connect_timeout 1s;
+        proxy_read_timeout 5s;
+        proxy_send_timeout 5s;
+    }
+
+    location = /healthz {
+        proxy_pass http://${CLUSTER_API_UPSTREAM};
+        proxy_connect_timeout 1s;
+        proxy_read_timeout 5s;
+        proxy_send_timeout 5s;
+    }
+
+    location = /readyz {
+        proxy_pass http://${CLUSTER_API_UPSTREAM};
+        proxy_connect_timeout 1s;
+        proxy_read_timeout 5s;
+        proxy_send_timeout 5s;
+    }
+
+}

compose.yaml

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+name: nereus
+
+services:
+  postgres:
+    image: postgres:17-alpine
+    environment:
+      POSTGRES_DB: nereus
+      POSTGRES_USER: nereus
+      POSTGRES_HOST_AUTH_METHOD: trust
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U nereus -d nereus"]
+      interval: 2s
+      timeout: 3s
+      retries: 15
+    volumes:
+      - postgres-data:/var/lib/postgresql/data
+
+  otel-collector:
+    image: otel/opentelemetry-collector-contrib:0.159.0
+    command: ["--config=/etc/otelcol-contrib/config.yaml"]
+    read_only: true
+    security_opt:
+      - no-new-privileges:true
+    volumes:
+      - ./build/otel-collector.local.yaml:/etc/otelcol-contrib/config.yaml:ro
+
+  api:
+    build:
+      context: .
+      dockerfile: build/api.Dockerfile
+      args:
+        APP_VERSION: local
+    environment:
+      DATABASE_URL: postgres://nereus@postgres:5432/nereus?sslmode=disable
+      OTEL_EXPORTER_OTLP_ENDPOINT: http://otel-collector:4317
+      LOG_LEVEL: info
+    depends_on:
+      postgres:
+        condition: service_healthy
+      otel-collector:
+        condition: service_started
+    ports:
+      - "${API_PORT:-18080}:8080"
+    read_only: true
+    tmpfs:
+      - /tmp:size=16m,mode=1777
+    security_opt:
+      - no-new-privileges:true
+
+  loadgen:
+    build:
+      context: .
+      dockerfile: build/loadgen.Dockerfile
+    environment:
+      TARGET_URL: http://api:8080
+      RPS: "5"
+    depends_on:
+      - api
+    read_only: true
+    tmpfs:
+      - /tmp:size=16m,mode=1777
+    security_opt:
+      - no-new-privileges:true
+
+volumes:
+  postgres-data: