Initial commit

Dockerfile

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+FROM golang:1.25-alpine AS backend
+WORKDIR /src
+COPY backend/go.mod backend/go.sum ./
+RUN go mod download
+COPY backend/ .
+RUN CGO_ENABLED=0 go build -o /server ./cmd/server/
+
+FROM node:22-alpine AS frontend
+WORKDIR /src
+COPY frontend/package.json frontend/package-lock.json ./
+RUN npm ci
+COPY frontend/ .
+RUN npm run build
+
+FROM alpine:3.21
+RUN apk add --no-cache ca-certificates tzdata
+RUN apk add --no-cache steamcmd libstdc++ libgcc || true
+
+COPY --from=backend /server /usr/local/bin/arma3-web-server
+COPY --from=frontend /src/dist /usr/share/arma3-web-server/frontend
+
+EXPOSE 8080
+VOLUME ["/data", "/servers"]
+
+# Expected mount structure under /servers:
+#   /servers/              ← SERVERFILE_DIR (arma3server_x64 binary, userconfig/)
+#   /servers/steamapps/workshop/content/107410/  ← workshop mods (downloaded via SteamCMD)
+#   /servers/mods/         ← MODS_DIR (@modname mod folders)
+#   /servers/cfg/          ← CFG_DIR (.cfg files)
+#   /servers/profiles/     ← PROFILES_DIR (logs, .rpt, server profile)
+ENV DATA_DIR=/data
+ENV SERVERFILE_DIR=/servers
+ENV MODS_DIR=/servers/mods
+ENV CFG_DIR=/servers/cfg
+ENV PROFILES_DIR=/servers/profiles
+ENV LISTEN=:8080
+ENV FRONTEND_DIR=/usr/share/arma3-web-server/frontend
+ENV GIN_MODE=release
+
+ENTRYPOINT ["arma3-web-server"]