Add systemd service file to run app

.env.sample

@@ -1,3 +1,4 @@
+DB_USER=postgres
 DB_HOST=localhost
 DB_PORT=5432
 DB_NAME=phinvads

.github/workflows/deployment.yaml

@@ -45,23 +45,33 @@ jobs:
             --description "Allow SSH from GitHub Actions"
           sleep 3
 
-      - name: Deploy phinvads-go to VM
+      - name: Write SSH key to file
         env:
-          AZURE_VM_IP: ${{ secrets.AZURE_VM_IP }}
           AZURE_VM_SSH_KEY: ${{ secrets.AZURE_VM_SSH_KEY }}
         run: |
           install -m 600 -D /dev/null ~/.ssh/phinvads-go
           echo "${{ secrets.AZURE_VM_SSH_KEY }}" > ~/.ssh/phinvads-go
+          echo "IdentityFile /home/azureuser/.ssh/phinvads-go" >> ~/.ssh/config
+
+      - name: Build phinvads-go
+        run: |
           go install github.com/a-h/templ/cmd/templ@latest
           templ generate
           go build -o phinvads-go ./cmd/phinvads-go
-          scp -i ~/.ssh/phinvads-go -o StrictHostKeyChecking=no ./phinvads-go azureuser@${AZURE_VM_IP}:/home/azureuser/phinvads-go
+
+      - name: Deploy phinvads-go to VM
+        env:
+          AZURE_VM_IP: ${{ secrets.AZURE_VM_IP }}
+        run: |
+          scp -o StrictHostKeyChecking=accept-new ./phinvads-go azureuser@${AZURE_VM_IP}:/home/azureuser/phinvads-go
+          scp ./remote/production/phinvads-go.service azureuser@${AZURE_VM_IP}:/home/azureuser/phinvads-go.service
+          ssh azureuser@${AZURE_VM_IP} "sudo mv phinvads-go.service /etc/systemd/system/phinvads-go.service && sudo systemctl enable phinvads-go && sudo systemctl restart phinvads-go"
 
       - name: Disallow GitHub Runner IP
         run: |
           set -eu
           agentIP=$(curl -s https://api.ipify.org/)
-          az network nsg rule remove \
+          az network nsg rule delete \
             --resource-group phinvads-go \
             --nsg-name phinvads-go-nsg \
             --name AllowSSHFromGitHubActions

go.mod

@@ -3,7 +3,7 @@ module github.com/skylight-hq/phinvads-go
 go 1.23.0
 
 require (
-	github.com/a-h/templ v0.2.747
+	github.com/a-h/templ v0.2.771
 	github.com/jackc/pgx/v5 v5.6.0
 	github.com/joho/godotenv v1.5.1
 	github.com/justinas/alice v1.2.0
@@ -16,6 +16,6 @@ require (
 	github.com/jackc/pgservicefile v0.0.0-20221227161230-091c0ba34f0a // indirect
 	github.com/jackc/puddle/v2 v2.2.1 // indirect
 	golang.org/x/crypto v0.17.0 // indirect
-	golang.org/x/sync v0.3.0 // indirect
+	golang.org/x/sync v0.8.0 // indirect
 	golang.org/x/text v0.14.0 // indirect
 )

go.sum

@@ -1,5 +1,7 @@
 github.com/a-h/templ v0.2.747 h1:D0dQ2lxC3W7Dxl6fxQ/1zZHBQslSkTSvl5FxP/CfdKg=
 github.com/a-h/templ v0.2.747/go.mod h1:69ObQIbrcuwPCU32ohNaWce3Cb7qM5GMiqN1K+2yop4=
+github.com/a-h/templ v0.2.771 h1:4KH5ykNigYGGpCe0fRJ7/hzwz72k3qFqIiiLLJskbSo=
+github.com/a-h/templ v0.2.771/go.mod h1:lq48JXoUvuQrU0VThrK31yFwdRjTCnIE5bcPCM9IP1w=
 github.com/andybalholm/brotli v1.1.0 h1:eLKJA0d02Lf0mVpIDgYnqXcUn0GqVmEFny3VuID1U3M=
 github.com/andybalholm/brotli v1.1.0/go.mod h1:sms7XGricyQI9K10gOSf56VKKWS4oLer58Q+mhRPtnY=
 github.com/bool64/dev v0.2.28 h1:6ayDfrB/jnNr2iQAZHI+uT3Qi6rErSbJYQs1y8rSrwM=
@@ -34,6 +36,7 @@ golang.org/x/crypto v0.17.0 h1:r8bRNjWL3GshPW3gkd+RpvzWrZAwPS49OmTGZ/uhM4k=
 golang.org/x/crypto v0.17.0/go.mod h1:gCAAfMLgwOJRpTjQ2zCCt2OcSfYMTeZVSRtQlPC7Nq4=
 golang.org/x/sync v0.3.0 h1:ftCYgMx6zT/asHUrPw8BLLscYtGznsLAnjq5RH9P66E=
 golang.org/x/sync v0.3.0/go.mod h1:FU7BRWz2tNW+3quACPkgCx/L+uEAv1htQ0V83Z9Rj+Y=
+golang.org/x/sync v0.8.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
 golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ=
 golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=

internal/config/main.go

@@ -23,10 +23,11 @@ func init() {
 }
 
 func LoadConfig() *Config {
+	dbUser := os.Getenv("DB_USER")
 	dbHost := os.Getenv("DB_HOST")
 	dbPort := os.Getenv("DB_PORT")
 	dbName := os.Getenv("DB_NAME")
-	dbString := fmt.Sprintf(`postgresql://%s:%s/%s`, dbHost, dbPort, dbName)
+	dbString := fmt.Sprintf(`postgresql://%s@%s:%s/%s`, dbUser, dbHost, dbPort, dbName)
 
 	host := os.Getenv("HOST")
 	port := os.Getenv("PORT")

remote/production/phinvads-go.service

@@ -0,0 +1,33 @@
+[Unit]
+Description=PHIN VADS in Go
+
+# Wait until PostgreSQL is running and the network is "up" before starting the service.
+After=postgresql.service
+After=network-online.target
+Wants=network-online.target
+
+# Configure service start rate limiting. If the service is (re)started more than 5 times 
+# in 600 seconds then don't permit it to start anymore.
+StartLimitIntervalSec=600
+StartLimitBurst=5
+
+[Service]
+# Execute the API binary as the azureuser user, loading the environment variables from
+# /etc/environment and using the working directory /home/azureuser.
+Type=exec
+User=azureuser
+Group=azureuser
+EnvironmentFile=/etc/environment
+WorkingDirectory=/home/azureuser
+ExecStart=/home/azureuser/phinvads-go
+
+# Automatically restart the service after a 5-second wait if it exits with a non-zero 
+# exit code. If it restarts more than 5 times in 600 seconds, then the rate limit we
+# configured above will be hit and it won't be restarted anymore.
+Restart=on-failure
+RestartSec=5
+
+[Install]
+# Start the service automatically at boot time (the 'multi-user.target' describes a boot
+# state when the system will accept logins).
+WantedBy=multi-user.target