Custom certs per role

- Upload the cert with `sshkit.upload!`
- Use the role name to create a directory for each role's certs
- Add an integration test for the custom certs

test/integration/docker/deployer/Dockerfile

@@ -18,6 +18,7 @@ RUN apt-get update --fix-missing && apt-get install -y docker-ce docker-ce-cli c
 
 COPY *.sh .
 COPY app/ app/
+COPY app_with_custom_certificate/ app_with_custom_certificate/
 COPY app_with_roles/ app_with_roles/
 COPY app_with_traefik/ app_with_traefik/
 COPY app_with_proxied_accessory/ app_with_proxied_accessory/
@@ -29,6 +30,7 @@ RUN mkdir -p /etc/docker/certs.d/registry:4443 && ln -s /shared/certs/domain.crt
 RUN git config --global user.email "deployer@example.com"
 RUN git config --global user.name "Deployer"
 RUN cd app && git init && git add . && git commit -am "Initial version"
+RUN cd app_with_custom_certificate && git init && git add . && git commit -am "Initial version"
 RUN cd app_with_roles && git init && git add . && git commit -am "Initial version"
 RUN cd app_with_traefik && git init && git add . && git commit -am "Initial version"
 RUN cd app_with_proxied_accessory && git init && git add . && git commit -am "Initial version"

test/integration/docker/deployer/app_with_custom_certificate/.kamal/secrets

@@ -0,0 +1,2 @@
+CUSTOM_CERT=$(cat certs/cert.pem)
+CUSTOM_KEY=$(cat certs/key.pem)

test/integration/docker/deployer/app_with_custom_certificate/Dockerfile

@@ -0,0 +1,10 @@
+FROM registry:4443/nginx:1-alpine-slim
+
+COPY default.conf /etc/nginx/conf.d/default.conf
+
+ARG COMMIT_SHA
+
+RUN echo $COMMIT_SHA > /usr/share/nginx/html/version
+RUN mkdir -p /usr/share/nginx/html/versions && echo "version" > /usr/share/nginx/html/versions/$COMMIT_SHA
+RUN mkdir -p /usr/share/nginx/html/versions && echo "hidden" > /usr/share/nginx/html/versions/.hidden
+RUN echo "Up!" > /usr/share/nginx/html/up

test/integration/docker/deployer/app_with_custom_certificate/certs/cert.pem

@@ -0,0 +1,19 @@
+-----BEGIN CERTIFICATE-----
+MIIDCzCCAfOgAwIBAgIUJHOADjhddzCAdXFfZvhXAsVMwhowDQYJKoZIhvcNAQEL
+BQAwFDESMBAGA1UEAwwJbG9jYWxob3N0MCAXDTI1MDYxNzA5MDYxOVoYDzIxMjUw
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+2EoVLhbMvwhYwHOHkktp
+-----END CERTIFICATE-----

test/integration/docker/deployer/app_with_custom_certificate/certs/key.pem

@@ -0,0 +1,28 @@
+-----BEGIN PRIVATE KEY-----
+MIIEvQIBADANBgkqhkiG9w0BAQEFAASCBKcwggSjAgEAAoIBAQDQaLWwoLZ3/cZd
+iW/m4pqOe228wCx/CRU9/E2AT9NSofuJNtUaxw7QAAFEWIrnf9y3M09lZeox1CNm
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+1OcbfGutFiGWhUwXNVkVc4U=
+-----END PRIVATE KEY-----

test/integration/docker/deployer/app_with_custom_certificate/config/deploy.yml

@@ -0,0 +1,36 @@
+service: app_with_custom_certificate
+image: app_with_custom_certificate
+servers:
+  web:
+    hosts:
+      - vm1
+      - vm2
+  workers:
+    hosts:
+      - vm3
+    cmd: sleep infinity
+deploy_timeout: 2
+drain_timeout: 2
+readiness_delay: 0
+
+proxy:
+  host: localhost
+  ssl:
+    certificate_pem: CUSTOM_CERT
+    private_key_pem: CUSTOM_KEY
+  healthcheck:
+    interval: 1
+    timeout: 1
+    path: "/up"
+
+asset_path: /usr/share/nginx/html/versions
+
+registry:
+  server: registry:4443
+  username: root
+  password: root
+builder:
+  driver: docker
+  arch: <%= Kamal::Utils.docker_arch %>
+  args:
+    COMMIT_SHA: <%= `git rev-parse HEAD` %>

test/integration/docker/deployer/app_with_custom_certificate/default.conf

@@ -0,0 +1,17 @@
+server {
+    listen       80;
+    listen  [::]:80;
+    server_name  localhost;
+
+    location / {
+        root   /usr/share/nginx/html;
+        index  index.html index.htm;
+    }
+
+    # redirect server error pages to the static page /50x.html
+    #
+    error_page   500 502 503 504  /50x.html;
+    location = /50x.html {
+        root   /usr/share/nginx/html;
+    }
+}