Created devcontainer environment for development and fixed CI pipeline accordingly.

.devcontainer/Dockerfile

@@ -0,0 +1,67 @@
+# Use the specified image as the base
+FROM mcr.microsoft.com/devcontainers/base:bullseye
+
+# Set environment variables, if any
+# ENV MY_ENV_VAR=my_value
+
+# Run package updates and install packages
+RUN apt-get update 
+
+
+CMD code --install-extension ms-mssql.mssql
+
+USER vscode
+RUN curl https://run.spawn.cc/install | sh
+ENV PATH="/home/vscode/.spawnctl/bin:$PATH"
+
+USER root
+RUN apt-get update && apt-get install -y curl gnupg software-properties-common \
+    && curl -fsSL https://cli.github.com/packages/githubcli-archive-keyring.gpg | dd of=/usr/share/keyrings/githubcli-archive-keyring.gpg \
+    && chmod go+r /usr/share/keyrings/githubcli-archive-keyring.gpg \
+    && echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/githubcli-archive-keyring.gpg] https://cli.github.com/packages stable main" | tee /etc/apt/sources.list.d/github-cli.list \
+    && apt-get update \
+    && apt-get install -y gh
+
+RUN apt-get update && \
+    apt-get install -y mono-complete
+
+ENV TSQLTCERTPATH /var/tSQLtCertTemp
+ENV TSQLTCERTPASSWORD P@ssw0rdP@ssw0rdP@ssw0rdP@ssw0rd
+RUN mkdir -p $TSQLTCERTPATH && \
+    chmod 777 $TSQLTCERTPATH
+
+# Add the Microsoft SQL Server repository
+RUN curl https://packages.microsoft.com/keys/microsoft.asc | apt-key add - \
+    && curl https://packages.microsoft.com/config/ubuntu/20.04/prod.list > /etc/apt/sources.list.d/msprod.list
+
+RUN apt-get update
+ENV ACCEPT_EULA=Y
+RUN apt-get install -y mssql-tools unixodbc-dev
+ENV PATH="$PATH:/opt/mssql-tools/bin"
+
+RUN apt-get install -y unzip
+
+RUN curl -L https://aka.ms/sqlpackage-linux -o sqlpackage.zip \
+    && unzip sqlpackage.zip -d /opt/sqlpackage \
+    && chmod +x /opt/sqlpackage/sqlpackage \
+    && rm sqlpackage.zip
+ENV PATH="$PATH:/opt/sqlpackage"
+
+RUN apt-get install -y wget apt-transport-https software-properties-common && \
+    wget -q "https://packages.microsoft.com/config/debian/$(. /etc/os-release && echo $VERSION_ID)/packages-microsoft-prod.deb" -O packages-microsoft-prod.deb && \
+    dpkg -i packages-microsoft-prod.deb && \
+    apt-get update && \
+    apt-get install -y powershell
+
+RUN pwsh -Command "Install-Module -Name SqlServer -Scope AllUsers -AllowClobber -Force"
+
+RUN pwsh -Command "Install-Module -Name Az -AllowClobber -Scope AllUsers -Force"
+RUN curl -sL https://aka.ms/InstallAzureCLIDeb | bash
+RUN curl -Lo bicep https://github.com/Azure/bicep/releases/latest/download/bicep-linux-x64 \
+    && chmod +x ./bicep \
+    && mv ./bicep /usr/local/bin/bicep
+
+# Set the default shell to PowerShell
+SHELL ["pwsh", "-Command"]
+
+

.devcontainer/devcontainer.json

@@ -0,0 +1,69 @@
+// For format details, see https://aka.ms/devcontainer.json. For config options, see the
+// README at: https://github.com/devcontainers/templates/tree/main/src/docker-in-docker
+{
+	"name": "Docker in Docker",
+	// Or use a Dockerfile or Docker Compose file. More info: https://containers.dev/guide/dockerfile
+	//"image": "mcr.microsoft.com/devcontainers/base:bullseye",
+    //"image": "mcr.microsoft.com/mssql/server:2022-latest",
+    // "image": "mcr.microsoft.com/devcontainers/base:bullseye",
+	"build": {
+		// Path is relataive to the devcontainer.json file.
+		"dockerfile": "Dockerfile"
+	},
+
+	"features": {
+		"ghcr.io/devcontainers/features/docker-in-docker:2": {
+			"version": "latest",
+			"enableNonRootDocker": "true",
+			"moby": "true"
+		},
+		// "ghcr.io/devcontainers/features/docker-outside-of-docker:1": {},
+		"ghcr.io/devcontainers/features/dotnet:1": {},
+		"ghcr.io/devcontainers/features/git:1": {},
+		// "ghcr.io/devcontainers/features/git-lfs:1": {},
+		// "ghcr.io/devcontainers/features/github-cli:1": {},
+		// "ghcr.io/devcontainers/features/go:1": {},
+		//  "ghcr.io/devcontainers/features/powershell:1": {},
+		// "ghcr.io/devcontainers/features/python:1": {},
+	},
+
+	// Use this environment variable if you need to bind mount your local source code into a new container.
+	"remoteEnv": {
+		"LOCAL_WORKSPACE_FOLDER": "${localWorkspaceFolder}"
+	},
+
+	// Use 'forwardPorts' to make a list of ports inside the container available locally.
+	"forwardPorts": [],
+
+	"customizations": {
+		"vscode": {
+			"settings": {
+				"remote.autoForwardPorts": false
+			  },
+			"extensions": [
+				"ms-mssql.mssql",
+				"redhat.vscode-yaml",
+				"ms-vscode.powershell",
+				"ms-azuretools.vscode-docker",
+				"ms-mssql.sql-bindings-vscode",
+				"ms-mssql.sql-database-projects-vscode",
+				"ms-mssql.data-workspace-vscode",
+				"github.vscode-github-actions",
+				"ms-dotnettools.csdevkit",
+				"ms-vscode.powershell",
+				"ms-azuretools.vscode-bicep",
+			]
+		}
+	},
+
+	// Use 'postCreateCommand' to run commands after the container is created.
+	"postCreateCommand": ["/bin/sh", "-c", "whoami && pwd && chmod 777 ./.devcontainer/postCreateCommand.sh && ./.devcontainer/postCreateCommand.sh"], // 
+
+	// Use 'postStartCommand' to run commands after the container is created.
+	"postStartCommand": ["/bin/sh", "-c", "whoami && pwd && chmod 777 ./.devcontainer/postStartCommand.sh && ./.devcontainer/postStartCommand.sh"], // 
+
+	// Uncomment to connect as root instead. More info: https://aka.ms/dev-containers-non-root.
+	// "remoteUser": "root"
+}
+
+

.devcontainer/postCreateCommand.sh

@@ -0,0 +1,11 @@
+cd "$(dirname "$0")"
+
+docker --version
+docker-compose -f sqlserver.yml up -d --force-recreate
+
+cd "$TSQLTCERTPATH"
+openssl req -x509 -newkey rsa:4096 -keyout tSQLtOfficialSigningKey.key -out tSQLtOfficialSigningKey.crt -days 365 -nodes -subj "/CN=yourdomain.com"
+openssl pkcs12 -export -out tSQLtOfficialSigningKey.pfx -inkey tSQLtOfficialSigningKey.key -in tSQLtOfficialSigningKey.crt -passout pass:"$TSQLTCERTPASSWORD"
+
+
+# pwsh -File ../tSQLt/PrepareServer.ps1

.devcontainer/postStartCommand.sh

@@ -0,0 +1,4 @@
+cd "$(dirname "$0")"
+
+docker --version
+docker-compose -f sqlserver.yml up -d

.devcontainer/sqlserver.yml

@@ -0,0 +1,9 @@
+version: "3"
+services:
+  sql_server:
+    image: mcr.microsoft.com/mssql/server:2022-latest
+    ports:
+      - "1433:1433"
+    environment:
+      ACCEPT_EULA: 'Y'
+      MSSQL_SA_PASSWORD: 'P@ssw0rd'

.devcontainer/tSQLtOfficialSigningKey.crt

@@ -0,0 +1,30 @@
+-----BEGIN CERTIFICATE-----
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+9F7w2nGAcA==
+-----END CERTIFICATE-----

.devcontainer/tSQLtOfficialSigningKey.key

@@ -0,0 +1,52 @@
+-----BEGIN PRIVATE KEY-----
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+-----END PRIVATE KEY-----