From fc9a0abe7ec8bad2e98067ecb3cb097807b7d9c2 Mon Sep 17 00:00:00 2001
From: kjuulh <contact@kjuulh.io>
Date: Tue, 13 Feb 2024 22:13:03 +0100
Subject: [PATCH] Add nats

---
 .env                                          |   4 +
 Cargo.lock                                    | 530 +++++++++++++++++-
 crates/flux-releaser/Cargo.toml               |   1 +
 crates/flux-releaser/src/app.rs               |  38 +-
 crates/flux-releaser/src/app/infra.rs         |   2 +
 crates/flux-releaser/src/app/infra/aws_s3.rs  |  31 +
 crates/flux-releaser/src/app/infra/nats.rs    |  32 ++
 .../src/services/domain_events.rs             |  18 +-
 .../src/services/domain_events/extensions.rs  |   2 +-
 templates/docker-compose.yaml                 |   9 +
 10 files changed, 599 insertions(+), 68 deletions(-)
 create mode 100644 crates/flux-releaser/src/app/infra.rs
 create mode 100644 crates/flux-releaser/src/app/infra/aws_s3.rs
 create mode 100644 crates/flux-releaser/src/app/infra/nats.rs

diff --git a/.env b/.env
index 6f56217..bb68347 100644
--- a/.env
+++ b/.env
@@ -1,3 +1,7 @@
 AWS_ENDPOINT_URL=http://127.0.0.1:10000
 AWS_ACCESS_KEY_ID=minioadmin
 AWS_SECRET_ACCESS_KEY=minioadminpassword
+
+NATS_URL=127.0.0.1:4222
+NATS_USERNAME=user
+NATS_PASSWORD=secret
diff --git a/Cargo.lock b/Cargo.lock
index c9864f3..d451203 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -66,6 +66,26 @@ version = "1.0.71"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c7d0618f0e0b7e8ff11427422b64564d5fb0be1940354bfe2e0529b18a9d9b8"
 
+[[package]]
+name = "async-channel"
+version = "1.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "81953c529336010edd6d8e358f886d9581267795c61b19475b71314bffa46d35"
+dependencies = [
+ "concurrent-queue",
+ "event-listener",
+ "futures-core",
+]
+
+[[package]]
+name = "async-lock"
+version = "2.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "287272293e9d8c41773cec55e365490fe034813a2f172f502d6ddcf75b2f582b"
+dependencies = [
+ "event-listener",
+]
+
 [[package]]
 name = "async-stream"
 version = "0.3.5"
@@ -88,6 +108,12 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "async-task"
+version = "4.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fbb36e985947064623dbd357f727af08ffd077f93d696782f3c56365fa2e2799"
+
 [[package]]
 name = "async-trait"
 version = "0.1.77"
@@ -105,6 +131,12 @@ version = "0.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c59bdb34bc650a32731b31bd8f0829cc15d24a708ee31559e0bb34f2bc320cba"
 
+[[package]]
+name = "atomic-waker"
+version = "1.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1505bd5d3d116872e7271a6d4e16d81d0c8570876c8de68093a09ac269d8aac0"
+
 [[package]]
 name = "autocfg"
 version = "1.1.0"
@@ -130,11 +162,11 @@ dependencies = [
  "aws-smithy-types",
  "aws-types",
  "bytes",
- "fastrand",
+ "fastrand 2.0.1",
  "hex",
  "http 0.2.11",
  "hyper 0.14.28",
- "ring",
+ "ring 0.17.7",
  "time",
  "tokio",
  "tracing",
@@ -168,7 +200,7 @@ dependencies = [
  "aws-smithy-types",
  "aws-types",
  "bytes",
- "fastrand",
+ "fastrand 2.0.1",
  "http 0.2.11",
  "http-body 0.4.6",
  "percent-encoding",
@@ -294,7 +326,7 @@ dependencies = [
  "once_cell",
  "p256",
  "percent-encoding",
- "ring",
+ "ring 0.17.7",
  "sha2",
  "subtle",
  "time",
@@ -396,7 +428,7 @@ dependencies = [
  "aws-smithy-runtime-api",
  "aws-smithy-types",
  "bytes",
- "fastrand",
+ "fastrand 2.0.1",
  "h2 0.3.24",
  "http 0.2.11",
  "http-body 0.4.6",
@@ -579,6 +611,12 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "349a06037c7bf932dd7e7d1f653678b2038b9ad46a74102f1fc7bd7872678cce"
 
+[[package]]
+name = "base64"
+version = "0.13.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9e1b586273c5702936fe7b7d6896644d8be71e6314cfe09d3167c95f712589e8"
+
 [[package]]
 name = "base64"
 version = "0.21.7"
@@ -595,6 +633,15 @@ dependencies = [
  "vsimd",
 ]
 
+[[package]]
+name = "base64-url"
+version = "1.4.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "67a99c239d0c7e77c85dddfa9cebce48704b3c49550fcd3b84dd637e4484899f"
+dependencies = [
+ "base64 0.13.1",
+]
+
 [[package]]
 name = "base64ct"
 version = "1.6.0"
@@ -622,6 +669,34 @@ dependencies = [
  "generic-array",
 ]
 
+[[package]]
+name = "blocking"
+version = "1.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8c36a4d0d48574b3dd360b4b7d95cc651d2b6557b6402848a27d4b228a473e2a"
+dependencies = [
+ "async-channel",
+ "async-lock",
+ "async-task",
+ "fastrand 2.0.1",
+ "futures-io",
+ "futures-lite",
+ "piper",
+ "tracing",
+]
+
+[[package]]
+name = "bumpalo"
+version = "3.14.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7f30e7476521f6f8af1a1c4c0b8cc94f0bee37d91763d0ca2665f299b6cd8aec"
+
+[[package]]
+name = "byteorder"
+version = "1.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b"
+
 [[package]]
 name = "bytes"
 version = "1.5.0"
@@ -701,6 +776,15 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "acbf1af155f9b9ef647e42cdc158db4b64a1b61f743629225fde6f3e0be2a7c7"
 
+[[package]]
+name = "concurrent-queue"
+version = "2.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d16048cd947b08fa32c24458a22f5dc5e835264f689f4f5653210c69fd107363"
+dependencies = [
+ "crossbeam-utils",
+]
+
 [[package]]
 name = "const-oid"
 version = "0.9.6"
@@ -750,6 +834,21 @@ dependencies = [
  "cfg-if",
 ]
 
+[[package]]
+name = "crossbeam-channel"
+version = "0.5.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "176dc175b78f56c0f321911d9c8eb2b77a78a4860b9c19db83835fea1a46649b"
+dependencies = [
+ "crossbeam-utils",
+]
+
+[[package]]
+name = "crossbeam-utils"
+version = "0.8.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "248e3bacc7dc6baa3b21e405ee045c3047101a49145e7e9eca583ab4c2ca5345"
+
 [[package]]
 name = "crypto-bigint"
 version = "0.4.9"
@@ -782,6 +881,39 @@ dependencies = [
  "typenum",
 ]
 
+[[package]]
+name = "curve25519-dalek"
+version = "4.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0a677b8922c94e01bdbb12126b0bc852f00447528dee1782229af9c720c3f348"
+dependencies = [
+ "cfg-if",
+ "cpufeatures",
+ "curve25519-dalek-derive",
+ "digest",
+ "fiat-crypto",
+ "platforms",
+ "rustc_version",
+ "subtle",
+]
+
+[[package]]
+name = "curve25519-dalek-derive"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f46882e17999c6cc590af592290432be3bce0428cb0d5f8b6715e4dc7b383eb3"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "data-encoding"
+version = "2.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7e962a19be5cfc3f3bf6dd8f61eb50107f356ad6270fbb3ed41476571db78be5"
+
 [[package]]
 name = "der"
 version = "0.6.1"
@@ -792,6 +924,17 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "der"
+version = "0.7.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fffa369a668c8af7dbf8b5e56c9f744fbd399949ed171606040001947de40b1c"
+dependencies = [
+ "const-oid",
+ "pem-rfc7468",
+ "zeroize",
+]
+
 [[package]]
 name = "deranged"
 version = "0.3.11"
@@ -799,6 +942,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b42b6fa04a440b495c8b04d0e71b707c585f83cb9cb28cf8cd0d976c315e31b4"
 dependencies = [
  "powerfmt",
+ "serde",
 ]
 
 [[package]]
@@ -830,10 +974,32 @@ version = "0.14.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "413301934810f597c1d19ca71c8710e99a3f1ba28a0d2ebc01551a2daeea3c5c"
 dependencies = [
- "der",
+ "der 0.6.1",
  "elliptic-curve",
  "rfc6979",
- "signature",
+ "signature 1.6.4",
+]
+
+[[package]]
+name = "ed25519"
+version = "2.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "115531babc129696a58c64a4fef0a8bf9e9698629fb97e9e40767d235cfbcd53"
+dependencies = [
+ "signature 2.2.0",
+]
+
+[[package]]
+name = "ed25519-dalek"
+version = "2.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4a3daa8e81a3963a60642bcc1f90a670680bd4a77535faa384e9d1c79d620871"
+dependencies = [
+ "curve25519-dalek",
+ "ed25519",
+ "sha2",
+ "signature 2.2.0",
+ "subtle",
 ]
 
 [[package]]
@@ -850,12 +1016,12 @@ checksum = "e7bb888ab5300a19b8e5bceef25ac745ad065f3c9f7efc6de1b91958110891d3"
 dependencies = [
  "base16ct",
  "crypto-bigint 0.4.9",
- "der",
+ "der 0.6.1",
  "digest",
  "ff",
  "generic-array",
  "group",
- "pkcs8",
+ "pkcs8 0.9.0",
  "rand_core",
  "sec1",
  "subtle",
@@ -878,6 +1044,21 @@ dependencies = [
  "windows-sys 0.52.0",
 ]
 
+[[package]]
+name = "event-listener"
+version = "2.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0206175f82b8d6bf6652ff7d71a1e27fd2e4efde587fd368662814d6ec1d9ce0"
+
+[[package]]
+name = "fastrand"
+version = "1.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e51093e27b0797c359783294ca4f0a911c270184cb10f85783b118614a1501be"
+dependencies = [
+ "instant",
+]
+
 [[package]]
 name = "fastrand"
 version = "2.0.1"
@@ -894,6 +1075,12 @@ dependencies = [
  "subtle",
 ]
 
+[[package]]
+name = "fiat-crypto"
+version = "0.2.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1676f435fc1dadde4d03e43f5d62b259e1ce5f40bd4ffb21db2b42ebe59c1382"
+
 [[package]]
 name = "fixedbitset"
 version = "0.4.2"
@@ -913,6 +1100,7 @@ dependencies = [
  "dotenv",
  "mockall",
  "mockall_double",
+ "nats",
  "prost",
  "serde",
  "serde_json",
@@ -960,6 +1148,22 @@ version = "0.3.30"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dfc6580bb841c5a68e9ef15c77ccc837b40a7504914d52e47b8b0e9bbda25a1d"
 
+[[package]]
+name = "futures-io"
+version = "0.3.30"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a44623e20b9681a318efdd71c299b6b222ed6f231972bfe2f224ebad6311f0c1"
+
+[[package]]
+name = "futures-lite"
+version = "1.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "49a9d51ce47660b1e808d3c990b4709f2f415d928835a17dfd16991515c46bce"
+dependencies = [
+ "futures-core",
+ "pin-project-lite",
+]
+
 [[package]]
 name = "futures-sink"
 version = "0.3.30"
@@ -1296,6 +1500,15 @@ dependencies = [
  "hashbrown 0.14.3",
 ]
 
+[[package]]
+name = "instant"
+version = "0.1.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7a5bbe824c507c5da5956355e86a746d82e0e1464f65d862cc5e71da70e94b2c"
+dependencies = [
+ "cfg-if",
+]
+
 [[package]]
 name = "io-lifetimes"
 version = "1.0.11"
@@ -1334,6 +1547,21 @@ version = "1.0.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "453ad9f582a441959e5f0d088b02ce04cfe8d51a8eaf077f12ac6d3e94164ca6"
 
+[[package]]
+name = "js-sys"
+version = "0.3.68"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "406cda4b368d531c842222cf9d2600a9a4acce8d29423695379c6868a143a9ee"
+dependencies = [
+ "wasm-bindgen",
+]
+
+[[package]]
+name = "json"
+version = "0.12.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "078e285eafdfb6c4b434e0d31e8cfcb5115b651496faca5749b88fafd4f23bfd"
+
 [[package]]
 name = "lazy_static"
 version = "1.4.0"
@@ -1458,6 +1686,58 @@ version = "0.8.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e5ce46fe64a9d73be07dcbe690a38ce1b293be448fd8ce1e6c1b8062c9f72c6a"
 
+[[package]]
+name = "nats"
+version = "0.24.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3e008b4960823570e06c8804a5c2c91458b91cc1708d5e21095c5e6de3fb92f5"
+dependencies = [
+ "base64 0.13.1",
+ "base64-url",
+ "blocking",
+ "crossbeam-channel",
+ "fastrand 1.9.0",
+ "itoa",
+ "json",
+ "lazy_static",
+ "libc",
+ "log",
+ "memchr",
+ "nkeys",
+ "nuid",
+ "once_cell",
+ "parking_lot",
+ "regex",
+ "ring 0.16.20",
+ "rustls",
+ "rustls-native-certs",
+ "rustls-pemfile",
+ "rustls-webpki 0.100.3",
+ "serde",
+ "serde_json",
+ "serde_nanos",
+ "serde_repr",
+ "time",
+ "url",
+ "winapi",
+]
+
+[[package]]
+name = "nkeys"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "aad178aad32087b19042ee36dfd450b73f5f934fbfb058b59b198684dfec4c47"
+dependencies = [
+ "byteorder",
+ "data-encoding",
+ "ed25519",
+ "ed25519-dalek",
+ "getrandom",
+ "log",
+ "rand",
+ "signatory",
+]
+
 [[package]]
 name = "nu-ansi-term"
 version = "0.46.0"
@@ -1468,6 +1748,16 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "nuid"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "20c1bb65186718d348306bf1afdeb20d9ab45b2ab80fb793c0fdcf59ffbb4f38"
+dependencies = [
+ "lazy_static",
+ "rand",
+]
+
 [[package]]
 name = "num-conv"
 version = "0.1.0"
@@ -1560,6 +1850,15 @@ dependencies = [
  "windows-targets 0.48.0",
 ]
 
+[[package]]
+name = "pem-rfc7468"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "88b39c9bfcfc231068454382784bb460aae594343fb030d46e9f50a645418412"
+dependencies = [
+ "base64ct",
+]
+
 [[package]]
 name = "percent-encoding"
 version = "2.3.1"
@@ -1608,16 +1907,43 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
 
+[[package]]
+name = "piper"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "668d31b1c4eba19242f2088b2bf3316b82ca31082a8335764db4e083db7485d4"
+dependencies = [
+ "atomic-waker",
+ "fastrand 2.0.1",
+ "futures-io",
+]
+
 [[package]]
 name = "pkcs8"
 version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9eca2c590a5f85da82668fa685c09ce2888b9430e83299debf1f34b65fd4a4ba"
 dependencies = [
- "der",
- "spki",
+ "der 0.6.1",
+ "spki 0.6.0",
 ]
 
+[[package]]
+name = "pkcs8"
+version = "0.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f950b2377845cebe5cf8b5165cb3cc1a5e0fa5cfa3e1f7f55707d8fd82e0a7b7"
+dependencies = [
+ "der 0.7.8",
+ "spki 0.7.3",
+]
+
+[[package]]
+name = "platforms"
+version = "3.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "626dec3cac7cc0e1577a2ec3fc496277ec2baa084bebad95bb6fdbfae235f84c"
+
 [[package]]
 name = "powerfmt"
 version = "0.2.0"
@@ -1823,6 +2149,21 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "ring"
+version = "0.16.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3053cf52e236a3ed746dfc745aa9cacf1b791d846bdaf412f60a8d7d6e17c8fc"
+dependencies = [
+ "cc",
+ "libc",
+ "once_cell",
+ "spin 0.5.2",
+ "untrusted 0.7.1",
+ "web-sys",
+ "winapi",
+]
+
 [[package]]
 name = "ring"
 version = "0.17.7"
@@ -1832,8 +2173,8 @@ dependencies = [
  "cc",
  "getrandom",
  "libc",
- "spin",
- "untrusted",
+ "spin 0.9.8",
+ "untrusted 0.9.0",
  "windows-sys 0.48.0",
 ]
 
@@ -1880,8 +2221,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f9d5a6813c0759e4609cd494e8e725babae6a2ca7b62a5536a13daaec6fcb7ba"
 dependencies = [
  "log",
- "ring",
- "rustls-webpki",
+ "ring 0.17.7",
+ "rustls-webpki 0.101.7",
  "sct",
 ]
 
@@ -1903,7 +2244,17 @@ version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1c74cae0a4cf6ccbbf5f359f08efdf8ee7e1dc532573bf0db71968cb56b1448c"
 dependencies = [
- "base64",
+ "base64 0.21.7",
+]
+
+[[package]]
+name = "rustls-webpki"
+version = "0.100.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5f6a5fc258f1c1276dfe3016516945546e2d5383911efc0fc4f1cdc5df3a4ae3"
+dependencies = [
+ "ring 0.16.20",
+ "untrusted 0.7.1",
 ]
 
 [[package]]
@@ -1912,8 +2263,8 @@ version = "0.101.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8b6275d1ee7a1cd780b64aca7726599a1dbc893b1e64144529e55c3c2f745765"
 dependencies = [
- "ring",
- "untrusted",
+ "ring 0.17.7",
+ "untrusted 0.9.0",
 ]
 
 [[package]]
@@ -1949,8 +2300,8 @@ version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "da046153aa2352493d6cb7da4b6e5c0c057d8a1d0a9aa8560baffdd945acd414"
 dependencies = [
- "ring",
- "untrusted",
+ "ring 0.17.7",
+ "untrusted 0.9.0",
 ]
 
 [[package]]
@@ -1960,9 +2311,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3be24c1842290c45df0a7bf069e0c268a747ad05a192f2fd7dcfdbc1cba40928"
 dependencies = [
  "base16ct",
- "der",
+ "der 0.6.1",
  "generic-array",
- "pkcs8",
+ "pkcs8 0.9.0",
  "subtle",
  "zeroize",
 ]
@@ -2027,6 +2378,15 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "serde_nanos"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8ae801b7733ca8d6a2b580debe99f67f36826a0f5b8a36055dc6bc40f8d6bc71"
+dependencies = [
+ "serde",
+]
+
 [[package]]
 name = "serde_path_to_error"
 version = "0.1.11"
@@ -2036,6 +2396,17 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "serde_repr"
+version = "0.1.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b2e6b945e9d3df726b65d6ee24060aff8e3533d431f677a9695db04eff9dfdb"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "serde_urlencoded"
 version = "0.7.1"
@@ -2088,6 +2459,18 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "signatory"
+version = "0.27.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c1e303f8205714074f6068773f0e29527e0453937fe837c9717d066635b65f31"
+dependencies = [
+ "pkcs8 0.10.2",
+ "rand_core",
+ "signature 2.2.0",
+ "zeroize",
+]
+
 [[package]]
 name = "signature"
 version = "1.6.4"
@@ -2098,6 +2481,16 @@ dependencies = [
  "rand_core",
 ]
 
+[[package]]
+name = "signature"
+version = "2.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "77549399552de45a898a580c1b41d445bf730df867cc44e6c0233bbc4b8329de"
+dependencies = [
+ "digest",
+ "rand_core",
+]
+
 [[package]]
 name = "slab"
 version = "0.4.9"
@@ -2133,6 +2526,12 @@ dependencies = [
  "windows-sys 0.48.0",
 ]
 
+[[package]]
+name = "spin"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6e63cff320ae2c57904679ba7cb63280a3dc4613885beafb148ee7bf9aa9042d"
+
 [[package]]
 name = "spin"
 version = "0.9.8"
@@ -2146,7 +2545,17 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "67cf02bbac7a337dc36e4f5a693db6c21e7863f45070f7064577eb4367a3212b"
 dependencies = [
  "base64ct",
- "der",
+ "der 0.6.1",
+]
+
+[[package]]
+name = "spki"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d91ed6c858b01f942cd56b37a94b3e0a1798290327d1236e4d9cf4eaca44d29d"
+dependencies = [
+ "base64ct",
+ "der 0.7.8",
 ]
 
 [[package]]
@@ -2185,7 +2594,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a365e8cd18e44762ef95d87f284f4b5cd04107fec2ff3052bd6a3e6069669e67"
 dependencies = [
  "cfg-if",
- "fastrand",
+ "fastrand 2.0.1",
  "rustix 0.38.31",
  "windows-sys 0.52.0",
 ]
@@ -2213,6 +2622,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c8248b6521bb14bc45b4067159b9b6ad792e2d6d754d6c41fb50e29fefe38749"
 dependencies = [
  "deranged",
+ "itoa",
  "num-conv",
  "powerfmt",
  "serde",
@@ -2335,7 +2745,7 @@ dependencies = [
  "async-stream",
  "async-trait",
  "axum 0.6.20",
- "base64",
+ "base64 0.21.7",
  "bytes",
  "h2 0.3.24",
  "http 0.2.11",
@@ -2490,6 +2900,12 @@ dependencies = [
  "tinyvec",
 ]
 
+[[package]]
+name = "untrusted"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a156c684c91ea7d62626509bce3cb4e1d9ed5c4d978f7b4352658f96a4c26b4a"
+
 [[package]]
 name = "untrusted"
 version = "0.9.0"
@@ -2562,6 +2978,70 @@ version = "0.11.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 
+[[package]]
+name = "wasm-bindgen"
+version = "0.2.91"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c1e124130aee3fb58c5bdd6b639a0509486b0338acaaae0c84a5124b0f588b7f"
+dependencies = [
+ "cfg-if",
+ "wasm-bindgen-macro",
+]
+
+[[package]]
+name = "wasm-bindgen-backend"
+version = "0.2.91"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c9e7e1900c352b609c8488ad12639a311045f40a35491fb69ba8c12f758af70b"
+dependencies = [
+ "bumpalo",
+ "log",
+ "once_cell",
+ "proc-macro2",
+ "quote",
+ "syn",
+ "wasm-bindgen-shared",
+]
+
+[[package]]
+name = "wasm-bindgen-macro"
+version = "0.2.91"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b30af9e2d358182b5c7449424f017eba305ed32a7010509ede96cdc4696c46ed"
+dependencies = [
+ "quote",
+ "wasm-bindgen-macro-support",
+]
+
+[[package]]
+name = "wasm-bindgen-macro-support"
+version = "0.2.91"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "642f325be6301eb8107a83d12a8ac6c1e1c54345a7ef1a9261962dfefda09e66"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+ "wasm-bindgen-backend",
+ "wasm-bindgen-shared",
+]
+
+[[package]]
+name = "wasm-bindgen-shared"
+version = "0.2.91"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4f186bd2dcf04330886ce82d6f33dd75a7bfcf69ecf5763b89fcde53b6ac9838"
+
+[[package]]
+name = "web-sys"
+version = "0.3.68"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "96565907687f7aceb35bc5fc03770a8a0471d82e479f25832f54a0e3f4b28446"
+dependencies = [
+ "js-sys",
+ "wasm-bindgen",
+]
+
 [[package]]
 name = "which"
 version = "4.4.2"
diff --git a/crates/flux-releaser/Cargo.toml b/crates/flux-releaser/Cargo.toml
index 2f3303d..d471367 100644
--- a/crates/flux-releaser/Cargo.toml
+++ b/crates/flux-releaser/Cargo.toml
@@ -20,6 +20,7 @@ aws-config = { version = "1.1.5", features = ["behavior-version-latest"] }
 aws-sdk-s3 = { version = "1.15.0", features = ["behavior-version-latest"] }
 serde = { version = "1.0.196", features = ["derive"] }
 serde_json = "1.0.113"
+nats = "0.24.1"
 
 [build-dependencies]
 tonic-build = "0.11.0"
diff --git a/crates/flux-releaser/src/app.rs b/crates/flux-releaser/src/app.rs
index 40a5e01..fd62f1c 100644
--- a/crates/flux-releaser/src/app.rs
+++ b/crates/flux-releaser/src/app.rs
@@ -24,48 +24,16 @@ impl SharedApp {
 
 pub struct App {
     pub s3_client: aws_sdk_s3::Client,
+    pub nats: infra::nats::Nats,
 }
 
 impl App {
     pub async fn new() -> anyhow::Result<Self> {
         Ok(Self {
             s3_client: s3_client().await?,
+            nats: infra::nats::Nats::new().await?,
         })
     }
 }
 
-mod infra {
-    pub mod aws_s3 {
-        use aws_config::{BehaviorVersion, Region};
-        use aws_sdk_s3::config::Credentials;
-
-        pub async fn s3_client() -> anyhow::Result<aws_sdk_s3::Client> {
-            let shared_config = aws_config::defaults(BehaviorVersion::latest())
-                .region(Region::new("eu-west-1"))
-                .credentials_provider(Credentials::new(
-                    std::env::var("AWS_ACCESS_KEY_ID")?,
-                    std::env::var("AWS_SECRET_ACCESS_KEY")?,
-                    None,
-                    None,
-                    "flux_releaser",
-                ));
-
-            let config = aws_sdk_s3::config::Builder::from(&shared_config.load().await)
-                .endpoint_url(std::env::var("AWS_ENDPOINT_URL")?)
-                .build();
-
-            let client = aws_sdk_s3::Client::from_conf(config);
-
-            let buckets = client.list_buckets().send().await?;
-
-            buckets
-                .buckets
-                .iter()
-                .flatten()
-                .flat_map(|b| &b.name)
-                .for_each(|n| tracing::debug!("test: found aws bucket: {}", n));
-
-            Ok(client)
-        }
-    }
-}
+pub mod infra;
diff --git a/crates/flux-releaser/src/app/infra.rs b/crates/flux-releaser/src/app/infra.rs
new file mode 100644
index 0000000..d8acfad
--- /dev/null
+++ b/crates/flux-releaser/src/app/infra.rs
@@ -0,0 +1,2 @@
+pub mod aws_s3;
+pub mod nats;
diff --git a/crates/flux-releaser/src/app/infra/aws_s3.rs b/crates/flux-releaser/src/app/infra/aws_s3.rs
new file mode 100644
index 0000000..2a865a1
--- /dev/null
+++ b/crates/flux-releaser/src/app/infra/aws_s3.rs
@@ -0,0 +1,31 @@
+use aws_config::{BehaviorVersion, Region};
+use aws_sdk_s3::config::Credentials;
+
+pub async fn s3_client() -> anyhow::Result<aws_sdk_s3::Client> {
+    let shared_config = aws_config::defaults(BehaviorVersion::latest())
+        .region(Region::new("eu-west-1"))
+        .credentials_provider(Credentials::new(
+            std::env::var("AWS_ACCESS_KEY_ID")?,
+            std::env::var("AWS_SECRET_ACCESS_KEY")?,
+            None,
+            None,
+            "flux_releaser",
+        ));
+
+    let config = aws_sdk_s3::config::Builder::from(&shared_config.load().await)
+        .endpoint_url(std::env::var("AWS_ENDPOINT_URL")?)
+        .build();
+
+    let client = aws_sdk_s3::Client::from_conf(config);
+
+    let buckets = client.list_buckets().send().await?;
+
+    buckets
+        .buckets
+        .iter()
+        .flatten()
+        .flat_map(|b| &b.name)
+        .for_each(|n| tracing::debug!("test: found aws bucket: {}", n));
+
+    Ok(client)
+}
diff --git a/crates/flux-releaser/src/app/infra/nats.rs b/crates/flux-releaser/src/app/infra/nats.rs
new file mode 100644
index 0000000..6b8f082
--- /dev/null
+++ b/crates/flux-releaser/src/app/infra/nats.rs
@@ -0,0 +1,32 @@
+use std::sync::Arc;
+
+use anyhow::Context;
+
+#[derive(Clone)]
+pub struct Nats {
+    nats: Arc<nats::asynk::Connection>,
+}
+
+impl Nats {
+    pub async fn new() -> anyhow::Result<Self> {
+        let nats = nats::asynk::Options::with_user_pass(
+            &std::env::var("NATS_USERNAME").context("NATS_USERNAME was not found")?,
+            &std::env::var("NATS_PASSWORD").context("NATS_PASSWORD was not found")?,
+        )
+        .with_name(std::env!("CARGO_PKG_NAME"))
+        .connect(std::env::var("NATS_URL").context("NATS_URL was not found")?)
+        .await?;
+
+        Ok(Self {
+            nats: Arc::new(nats),
+        })
+    }
+}
+
+impl std::ops::Deref for Nats {
+    type Target = nats::asynk::Connection;
+
+    fn deref(&self) -> &Self::Target {
+        &self.nats
+    }
+}
diff --git a/crates/flux-releaser/src/services/domain_events.rs b/crates/flux-releaser/src/services/domain_events.rs
index c53ea93..a2e2094 100644
--- a/crates/flux-releaser/src/services/domain_events.rs
+++ b/crates/flux-releaser/src/services/domain_events.rs
@@ -1,24 +1,28 @@
-use std::{path::PathBuf, sync::Arc};
-
-use super::release_manager::models::ArtifactID;
-
 pub mod extensions;
 
 #[derive(Clone)]
-pub struct DomainEvents {}
+pub struct DomainEvents {
+    nats: Nats,
+}
 
 #[cfg(test)]
 use mockall::{automock, mock, predicate::*};
 
+use crate::app::infra::{self, nats::Nats};
+
 #[cfg_attr(test, automock)]
 impl DomainEvents {
-    pub fn new() -> Self {
-        Self {}
+    pub fn new(nats: Nats) -> Self {
+        Self { nats }
     }
 
     pub async fn publish_event(&self, event: &str) -> anyhow::Result<()> {
         tracing::trace!("publish events: {}", event);
 
+        self.nats
+            .publish("flux_releaser.domain_events", event)
+            .await?;
+
         Ok(())
     }
 }
diff --git a/crates/flux-releaser/src/services/domain_events/extensions.rs b/crates/flux-releaser/src/services/domain_events/extensions.rs
index 164f3ad..4041a03 100644
--- a/crates/flux-releaser/src/services/domain_events/extensions.rs
+++ b/crates/flux-releaser/src/services/domain_events/extensions.rs
@@ -9,6 +9,6 @@ pub trait DomainEventsExt {
 
 impl DomainEventsExt for SharedApp {
     fn domain_events(&self) -> DomainEvents {
-        DomainEvents::new()
+        DomainEvents::new(self.nats.clone())
     }
 }
diff --git a/templates/docker-compose.yaml b/templates/docker-compose.yaml
index bd6bb40..ba6e0f2 100644
--- a/templates/docker-compose.yaml
+++ b/templates/docker-compose.yaml
@@ -25,3 +25,12 @@ services:
       /usr/bin/mc policy set public myminio/mybucket;
       exit 0;
       "      
+
+  nats:
+    image: bitnami/nats:2.10.10
+    ports:
+      - "4222:4222"
+    environment:
+      - NATS_ENABLE_AUTH=yes
+      - NATS_USERNAME=user
+      - NATS_PASSWORD=secret