diff --git a/.env.dev b/.env.dev
new file mode 100644
index 0000000..6b342b6
--- /dev/null
+++ b/.env.dev
@@ -0,0 +1,3 @@
+export GATEWAY_ORIGIN_STORE_GIT_DIR_PATH=/tmp/gateway_dev_env/origin/git
+export GATEWAY_DOMAIN_CHECKER_TARGET_CNAME=gateway.example.com
+export GATEWAY_DOMAIN_CONFIG_STORE_DIR_PATH=/tmp/gateway_dev_env/domain/config
diff --git a/.envrc b/.envrc
deleted file mode 100644
index 3550a30..0000000
--- a/.envrc
+++ /dev/null
@@ -1 +0,0 @@
-use flake
diff --git a/Cargo.lock b/Cargo.lock
index 33560bf..dd9f620 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -29,6 +29,55 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "anstream"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0ca84f3628370c59db74ee214b3263d58f9aadd9b4fe7e711fd87dc452b7f163"
+dependencies = [
+ "anstyle",
+ "anstyle-parse",
+ "anstyle-query",
+ "anstyle-wincon",
+ "colorchoice",
+ "is-terminal",
+ "utf8parse",
+]
+
+[[package]]
+name = "anstyle"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "41ed9a86bf92ae6580e0a31281f65a1b1d867c0cc68d5346e2ae128dddfa6a7d"
+
+[[package]]
+name = "anstyle-parse"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e765fd216e48e067936442276d1d57399e37bce53c264d6fefbe298080cb57ee"
+dependencies = [
+ "utf8parse",
+]
+
+[[package]]
+name = "anstyle-query"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5ca11d4be1bab0c8bc8734a9aa7bf4ee8316d462a08c6ac5052f888fef5b494b"
+dependencies = [
+ "windows-sys 0.48.0",
+]
+
+[[package]]
+name = "anstyle-wincon"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "180abfa45703aebe0093f79badacc01b8fd4ea2e35118747e5811127f926e188"
+dependencies = [
+ "anstyle",
+ "windows-sys 0.48.0",
+]
+
 [[package]]
 name = "arc-swap"
 version = "1.6.0"
@@ -58,6 +107,12 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
+[[package]]
+name = "base64"
+version = "0.13.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9e1b586273c5702936fe7b7d6896644d8be71e6314cfe09d3167c95f712589e8"
+
 [[package]]
 name = "base64"
 version = "0.21.0"
@@ -112,6 +167,12 @@ version = "3.12.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9b1ce199063694f33ffb7dd4e0ee620741495c32833cde5aa08f02a0bf96f0c8"
 
+[[package]]
+name = "byteorder"
+version = "1.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
+
 [[package]]
 name = "bytes"
 version = "1.4.0"
@@ -136,12 +197,60 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
+[[package]]
+name = "clap"
+version = "4.2.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "34d21f9bf1b425d2968943631ec91202fe5e837264063503708b83013f8fc938"
+dependencies = [
+ "clap_builder",
+ "clap_derive",
+ "once_cell",
+]
+
+[[package]]
+name = "clap_builder"
+version = "4.2.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "914c8c79fb560f238ef6429439a30023c862f7a28e688c58f7203f12b29970bd"
+dependencies = [
+ "anstream",
+ "anstyle",
+ "bitflags 1.3.2",
+ "clap_lex",
+ "strsim",
+]
+
+[[package]]
+name = "clap_derive"
+version = "4.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3f9644cd56d6b87dbe899ef8b053e331c0637664e9e21a33dfcdc36093f5c5c4"
+dependencies = [
+ "heck",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.15",
+]
+
+[[package]]
+name = "clap_lex"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8a2dd5a6fe8c6e3502f568a6353e5273bbb15193ad9a89e457b9970798efbea1"
+
 [[package]]
 name = "clru"
 version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b8191fa7302e03607ff0e237d4246cc043ff5b3cb9409d995172ba3bea16b807"
 
+[[package]]
+name = "colorchoice"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "acbf1af155f9b9ef647e42cdc158db4b64a1b61f743629225fde6f3e0be2a7c7"
+
 [[package]]
 name = "cpufeatures"
 version = "0.2.7"
@@ -392,6 +501,21 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a06f77d526c1a601b7c4cdd98f54b5eaabffc14d5f2f0296febdc7f357c6d3ba"
 
+[[package]]
+name = "futures"
+version = "0.3.28"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "23342abe12aba583913b2e62f22225ff9c950774065e4bfb61a19cd9770fec40"
+dependencies = [
+ "futures-channel",
+ "futures-core",
+ "futures-executor",
+ "futures-io",
+ "futures-sink",
+ "futures-task",
+ "futures-util",
+]
+
 [[package]]
 name = "futures-channel"
 version = "0.3.28"
@@ -399,6 +523,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "955518d47e09b25bbebc7a18df10b81f0c766eaf4c4f1cccef2fca5f2a4fb5f2"
 dependencies = [
  "futures-core",
+ "futures-sink",
 ]
 
 [[package]]
@@ -407,12 +532,34 @@ version = "0.3.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4bca583b7e26f571124fe5b7561d49cb2868d79116cfa0eefce955557c6fee8c"
 
+[[package]]
+name = "futures-executor"
+version = "0.3.28"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ccecee823288125bd88b4d7f565c9e58e41858e47ab72e8ea2d64e93624386e0"
+dependencies = [
+ "futures-core",
+ "futures-task",
+ "futures-util",
+]
+
 [[package]]
 name = "futures-io"
 version = "0.3.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4fff74096e71ed47f8e023204cfd0aa1289cd54ae5430a9523be060cdb849964"
 
+[[package]]
+name = "futures-macro"
+version = "0.3.28"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "89ca545a94061b6365f2c7355b4b32bd20df3ff95f02da9329b34ccc3bd6ee72"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.15",
+]
+
 [[package]]
 name = "futures-sink"
 version = "0.3.28"
@@ -431,8 +578,11 @@ version = "0.3.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "26b01e40b772d54cf6c6d721c1d1abd0647a0106a12ecaa1c186273392a69533"
 dependencies = [
+ "futures-channel",
  "futures-core",
  "futures-io",
+ "futures-macro",
+ "futures-sink",
  "futures-task",
  "memchr",
  "pin-project-lite",
@@ -444,15 +594,21 @@ dependencies = [
 name = "gateway"
 version = "0.1.0"
 dependencies = [
+ "clap",
+ "futures",
  "gix",
  "hex",
  "mockall",
  "serde",
  "serde_json",
  "sha2",
+ "signal-hook",
+ "signal-hook-tokio",
  "tempdir",
  "thiserror",
+ "tokio",
  "trust-dns-client",
+ "warp",
 ]
 
 [[package]]
@@ -997,7 +1153,7 @@ version = "0.31.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f01c2bf7b989c679695ef635fc7d9e80072e08101be4b53193c8e8b649900102"
 dependencies = [
- "base64",
+ "base64 0.21.0",
  "bstr",
  "gix-command",
  "gix-credentials",
@@ -1107,6 +1263,31 @@ version = "0.13.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "43a3c133739dddd0d2990f9a4bdf8eb4b21ef50e4851ca85ab661199821d510e"
 
+[[package]]
+name = "headers"
+version = "0.3.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f3e372db8e5c0d213e0cd0b9be18be2aca3d44cf2fe30a9d46a65581cd454584"
+dependencies = [
+ "base64 0.13.1",
+ "bitflags 1.3.2",
+ "bytes",
+ "headers-core",
+ "http",
+ "httpdate",
+ "mime",
+ "sha1",
+]
+
+[[package]]
+name = "headers-core"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e7f66481bfee273957b1f20485a4ff3362987f85b2c236580d81b4eb7a326429"
+dependencies = [
+ "http",
+]
+
 [[package]]
 name = "heck"
 version = "0.4.1"
@@ -1320,6 +1501,18 @@ version = "2.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "12b6ee2129af8d4fb011108c73d99a1b83a85977f23b82460c0ae2e25bb4b57f"
 
+[[package]]
+name = "is-terminal"
+version = "0.4.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "adcf93614601c8129ddf72e2d5633df827ba6551541c6d8c59520a371475be1f"
+dependencies = [
+ "hermit-abi 0.3.1",
+ "io-lifetimes",
+ "rustix",
+ "windows-sys 0.48.0",
+]
+
 [[package]]
 name = "itertools"
 version = "0.10.5"
@@ -1468,6 +1661,16 @@ version = "0.3.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6877bb514081ee2a7ff5ef9de3281f14a4dd4bceac4c09388074a6b5df8a139a"
 
+[[package]]
+name = "mime_guess"
+version = "2.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4192263c238a5f0d0c6bfd21f336a313a4ce1c450542449ca191bb657b4642ef"
+dependencies = [
+ "mime",
+ "unicase",
+]
+
 [[package]]
 name = "minimal-lexical"
 version = "0.2.1"
@@ -1522,6 +1725,24 @@ dependencies = [
  "syn 1.0.109",
 ]
 
+[[package]]
+name = "multer"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "01acbdc23469fd8fe07ab135923371d5f5a422fbf9c522158677c8eb15bc51c2"
+dependencies = [
+ "bytes",
+ "encoding_rs",
+ "futures-util",
+ "http",
+ "httparse",
+ "log",
+ "memchr",
+ "mime",
+ "spin 0.9.8",
+ "version_check",
+]
+
 [[package]]
 name = "nibble_vec"
 version = "0.1.0"
@@ -1610,6 +1831,26 @@ version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "478c572c3d73181ff3c2539045f6eb99e5491218eae919370993b890cdbdd98e"
 
+[[package]]
+name = "pin-project"
+version = "1.0.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ad29a609b6bcd67fee905812e544992d216af9d755757c05ed2d0e15a74c6ecc"
+dependencies = [
+ "pin-project-internal",
+]
+
+[[package]]
+name = "pin-project-internal"
+version = "1.0.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "069bdb1e05adc7a8990dce9cc75370895fbe4e3d58b9b73bf1aee56359344a55"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
 [[package]]
 name = "pin-project-lite"
 version = "0.2.9"
@@ -1847,7 +2088,7 @@ version = "0.11.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "13293b639a097af28fc8a90f22add145a9c954e49d77da06263d58cf44d5fb91"
 dependencies = [
- "base64",
+ "base64 0.21.0",
  "bytes",
  "encoding_rs",
  "futures-core",
@@ -1900,7 +2141,7 @@ dependencies = [
  "cc",
  "libc",
  "once_cell",
- "spin",
+ "spin 0.5.2",
  "untrusted",
  "web-sys",
  "winapi",
@@ -1938,7 +2179,7 @@ version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d194b56d58803a43635bdc398cd17e383d6f71f9182b9a192c127ca42494a59b"
 dependencies = [
- "base64",
+ "base64 0.21.0",
 ]
 
 [[package]]
@@ -1956,6 +2197,12 @@ dependencies = [
  "winapi-util",
 ]
 
+[[package]]
+name = "scoped-tls"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e1cf6437eb19a8f4a6cc0f7dca544973b0b78843adbfeb3683d1a94a0024a294"
+
 [[package]]
 name = "scopeguard"
 version = "1.1.0"
@@ -2015,6 +2262,17 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "sha1"
+version = "0.10.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f04293dc80c3993519f2d7f6f511707ee7094fe0c6d3406feb330cdb3540eba3"
+dependencies = [
+ "cfg-if",
+ "cpufeatures",
+ "digest",
+]
+
 [[package]]
 name = "sha1_smol"
 version = "1.0.0"
@@ -2051,6 +2309,18 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "signal-hook-tokio"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "213241f76fb1e37e27de3b6aa1b068a2c333233b59cca6634f634b80a27ecf1e"
+dependencies = [
+ "futures-core",
+ "libc",
+ "signal-hook",
+ "tokio",
+]
+
 [[package]]
 name = "slab"
 version = "0.4.8"
@@ -2082,12 +2352,24 @@ version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6e63cff320ae2c57904679ba7cb63280a3dc4613885beafb148ee7bf9aa9042d"
 
+[[package]]
+name = "spin"
+version = "0.9.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6980e8d7511241f8acf4aebddbb1ff938df5eebe98691418c4468d0b72a96a67"
+
 [[package]]
 name = "static_assertions"
 version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 
+[[package]]
+name = "strsim"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
+
 [[package]]
 name = "syn"
 version = "1.0.109"
@@ -2205,20 +2487,34 @@ checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20"
 
 [[package]]
 name = "tokio"
-version = "1.28.0"
+version = "1.28.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c3c786bf8134e5a3a166db9b29ab8f48134739014a3eca7bc6bfa95d673b136f"
+checksum = "0aa32867d44e6f2ce3385e89dceb990188b8bb0fb25b0cf576647a6f98ac5105"
 dependencies = [
  "autocfg",
  "bytes",
  "libc",
  "mio",
  "num_cpus",
+ "parking_lot",
  "pin-project-lite",
+ "signal-hook-registry",
  "socket2",
+ "tokio-macros",
  "windows-sys 0.48.0",
 ]
 
+[[package]]
+name = "tokio-macros"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "630bdcf245f78637c13ec01ffae6187cca34625e8c63150d424b59e55af2675e"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.15",
+]
+
 [[package]]
 name = "tokio-rustls"
 version = "0.23.4"
@@ -2230,6 +2526,29 @@ dependencies = [
  "webpki",
 ]
 
+[[package]]
+name = "tokio-stream"
+version = "0.1.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "397c988d37662c7dda6d2208364a706264bf3d6138b11d436cbac0ad38832842"
+dependencies = [
+ "futures-core",
+ "pin-project-lite",
+ "tokio",
+]
+
+[[package]]
+name = "tokio-tungstenite"
+version = "0.18.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "54319c93411147bced34cb5609a80e0a8e44c5999c93903a81cd866630ec0bfd"
+dependencies = [
+ "futures-util",
+ "log",
+ "tokio",
+ "tungstenite",
+]
+
 [[package]]
 name = "tokio-util"
 version = "0.7.8"
@@ -2257,6 +2576,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8ce8c33a8d48bd45d624a6e523445fd21ec13d3653cd51f681abf67418f54eb8"
 dependencies = [
  "cfg-if",
+ "log",
  "pin-project-lite",
  "tracing-attributes",
  "tracing-core",
@@ -2353,6 +2673,25 @@ version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3528ecfd12c466c6f163363caf2d02a71161dd5e1cc6ae7b34207ea2d42d81ed"
 
+[[package]]
+name = "tungstenite"
+version = "0.18.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "30ee6ab729cd4cf0fd55218530c4522ed30b7b6081752839b68fcec8d0960788"
+dependencies = [
+ "base64 0.13.1",
+ "byteorder",
+ "bytes",
+ "http",
+ "httparse",
+ "log",
+ "rand 0.8.5",
+ "sha1",
+ "thiserror",
+ "url",
+ "utf-8",
+]
+
 [[package]]
 name = "typenum"
 version = "1.16.0"
@@ -2368,6 +2707,15 @@ dependencies = [
  "arrayvec",
 ]
 
+[[package]]
+name = "unicase"
+version = "2.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "50f37be617794602aabbeee0be4f259dc1778fabe05e2d67ee8f79326d5cb4f6"
+dependencies = [
+ "version_check",
+]
+
 [[package]]
 name = "unicode-bidi"
 version = "0.3.13"
@@ -2412,6 +2760,18 @@ dependencies = [
  "percent-encoding",
 ]
 
+[[package]]
+name = "utf-8"
+version = "0.7.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09cc8ee72d2a9becf2f2febe0205bbed8fc6615b7cb429ad062dc7b7ddd036a9"
+
+[[package]]
+name = "utf8parse"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "711b9620af191e0cdc7468a8d14e709c3dcdb115b36f838e601583af800a370a"
+
 [[package]]
 name = "version_check"
 version = "0.9.4"
@@ -2438,6 +2798,37 @@ dependencies = [
  "try-lock",
 ]
 
+[[package]]
+name = "warp"
+version = "0.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ba431ef570df1287f7f8b07e376491ad54f84d26ac473489427231e1718e1f69"
+dependencies = [
+ "bytes",
+ "futures-channel",
+ "futures-util",
+ "headers",
+ "http",
+ "hyper",
+ "log",
+ "mime",
+ "mime_guess",
+ "multer",
+ "percent-encoding",
+ "pin-project",
+ "rustls-pemfile",
+ "scoped-tls",
+ "serde",
+ "serde_json",
+ "serde_urlencoded",
+ "tokio",
+ "tokio-stream",
+ "tokio-tungstenite",
+ "tokio-util",
+ "tower-service",
+ "tracing",
+]
+
 [[package]]
 name = "wasi"
 version = "0.11.0+wasi-snapshot-preview1"
diff --git a/Cargo.toml b/Cargo.toml
index 9393b48..c30a821 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -20,3 +20,9 @@ serde_json = "1.0.96"
 trust-dns-client = "0.22.0"
 mockall = "0.11.4"
 thiserror = "1.0.40"
+tokio = { version = "1.28.1", features = [ "full" ]}
+warp = "0.3.5"
+signal-hook = "0.3.15"
+futures = "0.3.28"
+signal-hook-tokio = { version = "0.3.1", features = [ "futures-v0_3" ]}
+clap = { version = "4.2.7", features = ["derive", "env"] }
diff --git a/src/domain/checker.rs b/src/domain/checker.rs
index b2592aa..05518d2 100644
--- a/src/domain/checker.rs
+++ b/src/domain/checker.rs
@@ -43,25 +43,23 @@ pub struct DNSChecker {
     client: SyncClient<UdpClientConnection>,
 }
 
-impl DNSChecker {
-    pub fn new(target_cname: &str, resolver_addr: &str) -> Result<DNSChecker, NewDNSCheckerError> {
-        let target_cname =
-            Name::from_str(target_cname).map_err(|_| NewDNSCheckerError::InvalidTargetCNAME)?;
+pub fn new(target_cname: &str, resolver_addr: &str) -> Result<impl Checker, NewDNSCheckerError> {
+    let target_cname =
+        Name::from_str(target_cname).map_err(|_| NewDNSCheckerError::InvalidTargetCNAME)?;
 
-        let resolver_addr = resolver_addr
-            .parse()
-            .map_err(|_| NewDNSCheckerError::InvalidResolverAddress)?;
+    let resolver_addr = resolver_addr
+        .parse()
+        .map_err(|_| NewDNSCheckerError::InvalidResolverAddress)?;
 
-        let conn = UdpClientConnection::new(resolver_addr)
-            .map_err(|e| NewDNSCheckerError::Unexpected(Box::from(e)))?;
+    let conn = UdpClientConnection::new(resolver_addr)
+        .map_err(|e| NewDNSCheckerError::Unexpected(Box::from(e)))?;
 
-        let client = SyncClient::new(conn);
+    let client = SyncClient::new(conn);
 
-        Ok(DNSChecker {
-            target_cname,
-            client,
-        })
-    }
+    Ok(DNSChecker {
+        target_cname,
+        client,
+    })
 }
 
 impl Checker for DNSChecker {
diff --git a/src/domain/config.rs b/src/domain/config.rs
index a02f223..149af66 100644
--- a/src/domain/config.rs
+++ b/src/domain/config.rs
@@ -47,7 +47,7 @@ struct FSStore {
     dir_path: PathBuf,
 }
 
-pub fn new_store(dir_path: &Path) -> io::Result<impl Store> {
+pub fn new(dir_path: &Path) -> io::Result<impl Store> {
     fs::create_dir_all(dir_path)?;
     Ok(FSStore {
         dir_path: dir_path.into(),
diff --git a/src/domain/manager.rs b/src/domain/manager.rs
index 63d3a9b..2e297f6 100644
--- a/src/domain/manager.rs
+++ b/src/domain/manager.rs
@@ -131,7 +131,7 @@ pub trait Manager {
     ) -> Result<(), SyncWithConfigError>;
 }
 
-pub fn new_manager<OriginStore, DomainConfigStore, DomainChecker>(
+pub fn new<OriginStore, DomainConfigStore, DomainChecker>(
     origin_store: OriginStore,
     domain_config_store: DomainConfigStore,
     domain_checker: DomainChecker,
diff --git a/src/lib.rs b/src/lib.rs
index 4e6989c..174e28e 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,2 +1,3 @@
 pub mod domain;
 pub mod origin;
+pub mod service;
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..5091d21
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,81 @@
+use clap::Parser;
+use futures::stream::StreamExt;
+use signal_hook::consts::signal;
+use signal_hook_tokio::Signals;
+use tokio::sync::oneshot;
+
+use std::path;
+
+#[derive(Parser, Debug)]
+#[command(version)]
+#[command(about = "A gateway to another dimension")]
+struct Cli {
+    #[arg(long, required = true, env = "GATEWAY_ORIGIN_STORE_GIT_DIR_PATH")]
+    origin_store_git_dir_path: Option<path::PathBuf>,
+
+    #[arg(long, required = true, env = "GATEWAY_DOMAIN_CHECKER_TARGET_CNAME")]
+    domain_checker_target_cname: Option<String>,
+
+    #[arg(long, default_value_t = String::from("1.1.1.1:53"), env = "GATEWAY_DOMAIN_CHECKER_RESOLVER_ADDR")]
+    domain_checker_resolver_addr: String,
+
+    #[arg(long, required = true, env = "GATEWAY_DOMAIN_CONFIG_STORE_DIR_PATH")]
+    domain_config_store_dir_path: Option<path::PathBuf>,
+}
+
+#[tokio::main]
+async fn main() {
+    let config = Cli::parse();
+
+    // set up signal handling, stop_ch_rx will be used to signal that the stop signal has been
+    // received
+    let stop_ch_rx = {
+        let mut signals = Signals::new(&[signal::SIGTERM, signal::SIGINT, signal::SIGQUIT])
+            .expect("initialized signals");
+
+        let (stop_ch_tx, stop_ch_rx) = oneshot::channel();
+
+        tokio::spawn(async move {
+            if let Some(_) = signals.next().await {
+                println!("Gracefully shutting down...");
+                let _ = stop_ch_tx.send(());
+            }
+
+            if let Some(_) = signals.next().await {
+                println!("Forcefully shutting down");
+                std::process::exit(1);
+            }
+        });
+
+        stop_ch_rx
+    };
+
+    let origin_store = gateway::origin::store::git::new(config.origin_store_git_dir_path.unwrap())
+        .expect("git origin store initialized");
+
+    let domain_checker = gateway::domain::checker::new(
+        &config.domain_checker_target_cname.unwrap(),
+        &config.domain_checker_resolver_addr,
+    )
+    .expect("domain checker initialized");
+
+    let domain_config_store =
+        gateway::domain::config::new(&config.domain_config_store_dir_path.unwrap())
+            .expect("domain config store initialized");
+
+    let manager = gateway::domain::manager::new(origin_store, domain_config_store, domain_checker);
+
+    let service = gateway::service::new(manager);
+
+    let (addr, server) =
+        warp::serve(service).bind_with_graceful_shutdown(([127, 0, 0, 1], 3030), async {
+            stop_ch_rx.await.ok();
+        });
+
+    println!("Listening on {addr}");
+    tokio::task::spawn(server)
+        .await
+        .expect("server shutdown gracefully");
+
+    println!("Graceful shutdown complete");
+}
diff --git a/src/origin/store/git.rs b/src/origin/store/git.rs
index ee05e06..14f95c3 100644
--- a/src/origin/store/git.rs
+++ b/src/origin/store/git.rs
@@ -65,16 +65,16 @@ pub struct Store {
     origins: sync::RwLock<collections::HashMap<origin::Descr, sync::Arc<Origin>>>,
 }
 
-impl Store {
-    pub fn new(dir_path: PathBuf) -> io::Result<Store> {
-        fs::create_dir_all(&dir_path)?;
-        Ok(Store {
-            dir_path,
-            sync_guard: sync::Mutex::new(collections::HashMap::new()),
-            origins: sync::RwLock::new(collections::HashMap::new()),
-        })
-    }
+pub fn new(dir_path: PathBuf) -> io::Result<impl super::Store> {
+    fs::create_dir_all(&dir_path)?;
+    Ok(Store {
+        dir_path,
+        sync_guard: sync::Mutex::new(collections::HashMap::new()),
+        origins: sync::RwLock::new(collections::HashMap::new()),
+    })
+}
 
+impl Store {
     fn repo_path(&self, descr: &origin::Descr) -> PathBuf {
         self.dir_path.join(descr.id())
     }
diff --git a/src/service.rs b/src/service.rs
new file mode 100644
index 0000000..78cda89
--- /dev/null
+++ b/src/service.rs
@@ -0,0 +1,17 @@
+use warp::Filter;
+
+/*
+ * POST /domain/init (domain, config) -> token
+ * POST /domain/config (domain, config)
+ * GET /domain/config (domain) -> config
+ * GET /domains
+ */
+
+pub fn new(
+    _manager: impl crate::domain::manager::Manager,
+) -> impl warp::Filter<Extract = (impl warp::Reply,), Error = warp::Rejection> + Clone {
+    warp::path("hello")
+        .and(warp::path("world"))
+        .and(warp::path::param())
+        .map(|name: String| format!("Hello, {}!", name))
+}