Add reverse proxy masking and Cloudflare panel SSL via DNS-01.
Introduce Caddy-based reverse proxy with decoy site and DPI masking, plus automatic Let's Encrypt certificate issuance for the panel through Cloudflare API without binding port 443. Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
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# syntax=docker/dockerfile:1
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ARG TELEMT_REPOSITORY=telemt/telemt
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ARG TELEMT_VERSION=latest
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# ==========================
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# Minimal Image
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# ==========================
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FROM debian:12-slim AS minimal
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ARG TARGETARCH
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ARG TELEMT_REPOSITORY
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ARG TELEMT_VERSION
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RUN set -eux; \
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apt-get update; \
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apt-get install -y --no-install-recommends \
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binutils \
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ca-certificates \
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curl \
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tar; \
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rm -rf /var/lib/apt/lists/*
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RUN set -eux; \
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case "${TARGETARCH}" in \
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amd64) ASSET="telemt-x86_64-linux-musl.tar.gz" ;; \
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arm64) ASSET="telemt-aarch64-linux-musl.tar.gz" ;; \
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*) echo "Unsupported TARGETARCH: ${TARGETARCH}" >&2; exit 1 ;; \
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esac; \
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VERSION="${TELEMT_VERSION#refs/tags/}"; \
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if [ -z "${VERSION}" ] || [ "${VERSION}" = "latest" ]; then \
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BASE_URL="https://github.com/${TELEMT_REPOSITORY}/releases/latest/download"; \
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else \
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BASE_URL="https://github.com/${TELEMT_REPOSITORY}/releases/download/${VERSION}"; \
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fi; \
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curl -fL \
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--retry 5 \
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--retry-delay 3 \
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--connect-timeout 10 \
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--max-time 120 \
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-o "/tmp/${ASSET}" \
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"${BASE_URL}/${ASSET}"; \
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curl -fL \
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--retry 5 \
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--retry-delay 3 \
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--connect-timeout 10 \
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--max-time 120 \
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-o "/tmp/${ASSET}.sha256" \
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"${BASE_URL}/${ASSET}.sha256"; \
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cd /tmp; \
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sha256sum -c "${ASSET}.sha256"; \
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tar -xzf "${ASSET}" -C /tmp; \
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test -f /tmp/telemt; \
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install -m 0755 /tmp/telemt /telemt; \
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strip --strip-unneeded /telemt || true; \
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rm -f "/tmp/${ASSET}" "/tmp/${ASSET}.sha256" /tmp/telemt
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# ==========================
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# Debug Image
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# ==========================
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FROM debian:12-slim AS debug
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RUN set -eux; \
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apt-get update; \
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apt-get install -y --no-install-recommends \
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ca-certificates \
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tzdata \
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curl \
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iproute2 \
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busybox; \
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rm -rf /var/lib/apt/lists/*
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WORKDIR /app
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COPY --from=minimal /telemt /app/telemt
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COPY config.toml /app/config.toml
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EXPOSE 443 9090 9091
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ENTRYPOINT ["/app/telemt"]
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CMD ["config.toml"]
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# ==========================
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# Production Distroless on MUSL
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# ==========================
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#FROM gcr.io/distroless/static-debian12 AS prod
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FROM debian:12-slim AS prod
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RUN set -eux; \
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apt-get update; \
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apt-get install -y --no-install-recommends \
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ca-certificates \
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tzdata \
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bash \
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curl; \
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rm -rf /var/lib/apt/lists/*
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WORKDIR /app
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COPY --from=minimal /telemt /app/telemt
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COPY config.toml /app/config.toml
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#USER nonroot:nonroot
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EXPOSE 443 9090 9091
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ENTRYPOINT ["/app/telemt"]
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CMD ["config.toml"]
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@@ -0,0 +1,62 @@
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### Telemt Based Config.toml
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# We believe that these settings are sufficient for most scenarios
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# where cutting-egde methods and parameters or special solutions are not needed
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# === General Settings ===
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[general]
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use_middle_proxy = true
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# Global ad_tag fallback when user has no per-user tag in [access.user_ad_tags]
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# ad_tag = "00000000000000000000000000000000"
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# Per-user ad_tag in [access.user_ad_tags] (32 hex from @MTProxybot)
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# === Log Level ===
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# Log level: debug | verbose | normal | silent
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# Can be overridden with --silent or --log-level CLI flags
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# RUST_LOG env var takes absolute priority over all of these
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log_level = "normal"
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[general.modes]
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classic = false
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secure = false
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tls = true
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[general.links]
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show = "*"
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# show = ["alice", "bob"] # Only show links for alice and bob
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# show = "*" # Show links for all users
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# public_host = "proxy.example.com" # Host (IP or domain) for tg:// links
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public_port = 443 # Port for tg:// links (default: server.port)
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# === Server Binding ===
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[server]
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port = 443
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# proxy_protocol = false # Enable if behind HAProxy/nginx with PROXY protocol
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metrics_port = 9090
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metrics_listen = "0.0.0.0:9090" # Listen address for metrics (overrides metrics_port)
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metrics_whitelist = ["127.0.0.1", "::1", "0.0.0.0/0"]
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max_connections = 0 # 0 - unlimited, 10000 - default
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[server.api]
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enabled = true
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listen = "0.0.0.0:9091"
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whitelist = ["127.0.0.0/8"]
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minimal_runtime_enabled = false
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minimal_runtime_cache_ttl_ms = 1000
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# Listen on multiple interfaces/IPs - IPv4
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[[server.listeners]]
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ip = "0.0.0.0"
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# === Anti-Censorship & Masking ===
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[censorship]
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tls_domain = "petrovich.ru"
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mask = false
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tls_emulation = true # Fetch real cert lengths and emulate TLS records
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tls_front_dir = "tlsfront" # Cache directory for TLS emulation
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# mask_host = "172.17.0.1" # Docker host bridge IP
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# mask_port = 8443 # Caddy порт
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# mask_shape_hardening = true # anti-fingerprint
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[access.users]
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# format: "username" = "32_hex_chars_secret"
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hello = "00000000000000000000000000000000"
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@@ -0,0 +1,31 @@
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services:
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telemt:
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image: ghcr.io/telemt/telemt:latest
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build: .
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container_name: telemt
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restart: unless-stopped
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ports:
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- "443:443"
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- "127.0.0.1:9090:9090"
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- "127.0.0.1:9091:9091"
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# Allow caching 'proxy-secret' in read-only container
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working_dir: /app/conf
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volumes:
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- .:/app/conf:rw
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tmpfs:
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- /run/telemt:rw,mode=1777,size=1m
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environment:
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- RUST_LOG=info
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# Uncomment this line if you want to use host network for IPv6, but bridge is default and usually better
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# network_mode: host
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cap_drop:
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- ALL
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cap_add:
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- NET_BIND_SERVICE # allow binding to port 443
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read_only: false
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security_opt:
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- no-new-privileges:true
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ulimits:
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nofile:
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soft: 65536
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hard: 65536
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