Add terraform lock file

.gitignore

 docker-stack.yml
 app.egg-info
 __pycache__/
-backend.dockerfile
 
 # ignore all hidden files
 .*
 
 # explicitly allow some hidden files
 !.env-dist
-.gitignore
+!.gitignore
 !.gitlab-ci.yml
+!.terraform.lock.hcl

backend/.terraform.lock.hcl

+# This file is maintained automatically by "terraform init".
+# Manual edits may be lost in future updates.
+
+provider "registry.terraform.io/hashicorp/http" {
+  version     = "3.4.2"
+  constraints = "3.4.2"
+  hashes = [
+    "h1:eqo0hkFNrixeaT93PC5NiU893s7rUwwOMeqnCjjj3u0=",
+    "zh:0ba051c9c8659ce0fec94a3d50926745f11759509c4d6de0ad5f5eb289f0edd9",
+    "zh:23e6760e8406fef645913bf47bfab1ca984c1c5805d2bb0ef8310b16913d29cd",
+    "zh:3c69fde4548bfe65b968534c4df8d699648c921d6a065b97fec5faece73a442b",
+    "zh:41c7f9a8c117704b7a8fa96a57ebfb92b72129d9625128eeb0dee7d5a09d1110",
+    "zh:59d09d2e00727df10565cc82a33250b44201fcd353eb2b1579507a5a0adcce18",
+    "zh:78d5eefdd9e494defcb3c68d282b8f96630502cac21d1ea161f53cfe9bb483b3",
+    "zh:c95b2f63d4357b3068531b90d9dca62a32551d7693defb7ab14b650b5d139c57",
+    "zh:cc0a3bbd3026191b35f417d3a8f26bdfad376d15be9e8d99a8803487ca5b0105",
+    "zh:d1185c6abb3ba25123fb7df1ad7dbe2b9cd8f43962628da551040fbe1934656f",
+    "zh:dfb26fccab7ecdc150f67415e6cfe19d699dc43e8bf5722f36032b17b46a0fbe",
+    "zh:eb1fcc00073bc0463f64e49600a73d925b1a0c0ae5b94dd7b67d3ebac248a113",
+    "zh:ec9b9ad69cf790cb0603a1036d758063bbbc35c0c75f72dd04a1eddaf46ad010",
+  ]
+}
+
+provider "registry.terraform.io/hashicorp/null" {
+  version     = "3.2.2"
+  constraints = "3.2.2"
+  hashes = [
+    "h1:zT1ZbegaAYHwQa+QwIFugArWikRJI9dqohj8xb0GY88=",
+    "zh:3248aae6a2198f3ec8394218d05bd5e42be59f43a3a7c0b71c66ec0df08b69e7",
+    "zh:32b1aaa1c3013d33c245493f4a65465eab9436b454d250102729321a44c8ab9a",
+    "zh:38eff7e470acb48f66380a73a5c7cdd76cc9b9c9ba9a7249c7991488abe22fe3",
+    "zh:4c2f1faee67af104f5f9e711c4574ff4d298afaa8a420680b0cb55d7bbc65606",
+    "zh:544b33b757c0b954dbb87db83a5ad921edd61f02f1dc86c6186a5ea86465b546",
+    "zh:696cf785090e1e8cf1587499516b0494f47413b43cb99877ad97f5d0de3dc539",
+    "zh:6e301f34757b5d265ae44467d95306d61bef5e41930be1365f5a8dcf80f59452",
+    "zh:78d5eefdd9e494defcb3c68d282b8f96630502cac21d1ea161f53cfe9bb483b3",
+    "zh:913a929070c819e59e94bb37a2a253c228f83921136ff4a7aa1a178c7cce5422",
+    "zh:aa9015926cd152425dbf86d1abdbc74bfe0e1ba3d26b3db35051d7b9ca9f72ae",
+    "zh:bb04798b016e1e1d49bcc76d62c53b56c88c63d6f2dfe38821afef17c416a0e1",
+    "zh:c23084e1b23577de22603cff752e59128d83cfecc2e6819edadd8cf7a10af11e",
+  ]
+}
+
+provider "registry.terraform.io/hetznercloud/hcloud" {
+  version     = "1.45.0"
+  constraints = "1.45.0"
+  hashes = [
+    "h1:BEE0B6hv1ZAmTLIO12uqIm7s3oSjmGzZLm6OzudlxAw=",
+    "zh:1c4b44a698cfaca215bdbadaf92669dd23533210c3cbf32895fbf4ff7acf6c24",
+    "zh:2915f8385559694e5097d8d0df16358200e9f0d9efb80559e9ea0bd072d792b9",
+    "zh:3a6b37b0bba50d263bd3dba26185bde13c825e59b6b301ab3f9f45686a21456b",
+    "zh:3e3910fa22a3a8d73d1aed38cc479c3e1958e9168b5f4a7d0da6cf03c2dfc155",
+    "zh:3f8d7d09e5c93162a1e9e6c89acac0799fb55765b44b7d1d020763c814263c57",
+    "zh:40bc5e94bff495440e1b4f797165d7f0dcee2282a86a61b158f47fe4bc57e9fb",
+    "zh:473f51d464b897d0e8e3d5ca2eb175b37e2f7ce03c8b26f47cc35885cf620946",
+    "zh:6fdd4bf71c19cfad78d7e1d2336be873eb8567a139d53e672e78ebcbc36a4d7d",
+    "zh:9e08638cbfc90d69f1c21ee34191db077d58d040cf7a9eed07a1dc335d463e97",
+    "zh:b1ed5ea81bc6d2c88efdefaeb244322874508d90d8217ac2e3541445254bdadc",
+    "zh:ced05776c27d550d15d4a71360243740ecb4ea1e65e67229fb2273a27353b00c",
+    "zh:da79b8a1a982a1d365ea206a2654e8b5003aeba9ccdc9c8751bb6ee3f40d8c49",
+    "zh:fabbad25bab09dd74f2b819992ab99b939c642374d6ca080b18d6e2a91d8d487",
+    "zh:fb0e083d2925f289999dc561ef1c2f84a9e0ab11388c40162ca8b470f50f71f5",
+  ]
+}